summaryrefslogtreecommitdiff
path: root/tools
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2015-11-15 09:34:32 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2015-11-15 09:34:32 -0800
commit8f98e292eb612956e1add401f28dc76ffea20323 (patch)
tree34b769c888e0eeba3b59a66ebf5a0b0b7ee203c4 /tools
parentbba072dfd7bf87f0712e569a78ae9c0e91e0a8df (diff)
parentb32e1f58c254bd62f8a5852b8b181f6d51df1463 (diff)
downloadlinux-sh-8f98e292eb612956e1add401f28dc76ffea20323.tar.gz
Merge branch 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull liblockdep fixes from Thomas Gleixner: "Three small patches to synchronize liblockdep with the latest core changes" * 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: tools/liblockdep: explicitly declare lockdep API we call from liblockdep tools/liblockdep: add userspace versions of WRITE_ONCE and RCU_INIT_POINTER tools/liblockdep: remove task argument from debug_check_no_locks_held
Diffstat (limited to 'tools')
-rw-r--r--tools/lib/lockdep/common.c2
-rw-r--r--tools/lib/lockdep/include/liblockdep/common.h2
-rw-r--r--tools/lib/lockdep/uinclude/linux/compiler.h2
-rw-r--r--tools/lib/lockdep/uinclude/linux/lockdep.h3
4 files changed, 7 insertions, 2 deletions
diff --git a/tools/lib/lockdep/common.c b/tools/lib/lockdep/common.c
index 8ef602f18a32..9be663340f0a 100644
--- a/tools/lib/lockdep/common.c
+++ b/tools/lib/lockdep/common.c
@@ -18,7 +18,7 @@ __attribute__((constructor)) static void liblockdep_init(void)
__attribute__((destructor)) static void liblockdep_exit(void)
{
- debug_check_no_locks_held(&current_obj);
+ debug_check_no_locks_held();
}
struct task_struct *__curr(void)
diff --git a/tools/lib/lockdep/include/liblockdep/common.h b/tools/lib/lockdep/include/liblockdep/common.h
index 0bda630027c3..a60c14b9662a 100644
--- a/tools/lib/lockdep/include/liblockdep/common.h
+++ b/tools/lib/lockdep/include/liblockdep/common.h
@@ -43,6 +43,8 @@ void lock_acquire(struct lockdep_map *lock, unsigned int subclass,
struct lockdep_map *nest_lock, unsigned long ip);
void lock_release(struct lockdep_map *lock, int nested,
unsigned long ip);
+extern void debug_check_no_locks_freed(const void *from, unsigned long len);
+extern void lockdep_init(void);
#define STATIC_LOCKDEP_MAP_INIT(_name, _key) \
{ .name = (_name), .key = (void *)(_key), }
diff --git a/tools/lib/lockdep/uinclude/linux/compiler.h b/tools/lib/lockdep/uinclude/linux/compiler.h
index 7ac838a1f196..6386dc3182a0 100644
--- a/tools/lib/lockdep/uinclude/linux/compiler.h
+++ b/tools/lib/lockdep/uinclude/linux/compiler.h
@@ -3,5 +3,7 @@
#define __used __attribute__((__unused__))
#define unlikely
+#define WRITE_ONCE(x, val) x=(val)
+#define RCU_INIT_POINTER(p, v) p=(v)
#endif
diff --git a/tools/lib/lockdep/uinclude/linux/lockdep.h b/tools/lib/lockdep/uinclude/linux/lockdep.h
index c1552c28507e..c808c7d02d21 100644
--- a/tools/lib/lockdep/uinclude/linux/lockdep.h
+++ b/tools/lib/lockdep/uinclude/linux/lockdep.h
@@ -6,7 +6,7 @@
#include <string.h>
#include <limits.h>
#include <linux/utsname.h>
-
+#include <linux/compiler.h>
#define MAX_LOCK_DEPTH 2000UL
@@ -54,5 +54,6 @@ static struct new_utsname *init_utsname(void)
#define static_obj(x) 1
#define debug_show_all_locks()
+extern void debug_check_no_locks_held(void);
#endif