From e1b8eabeee354822fc0a413dd097210b621eb73a Mon Sep 17 00:00:00 2001
From: Thomas Hellstrom <thomas-at-tungstengraphics-dot-com>
Date: Thu, 14 Jun 2007 11:52:38 +0200
Subject: Locking fixes and instrumentation.

---
 linux-core/drm_objects.h | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'linux-core/drm_objects.h')

diff --git a/linux-core/drm_objects.h b/linux-core/drm_objects.h
index 42c8e536..59c8902d 100644
--- a/linux-core/drm_objects.h
+++ b/linux-core/drm_objects.h
@@ -473,4 +473,12 @@ extern int drm_bo_move_accel_cleanup(drm_buffer_object_t * bo,
 				     uint32_t fence_flags,
 				     drm_bo_mem_reg_t * new_mem);
 
+#ifdef CONFIG_DEBUG_MUTEXES
+#define DRM_ASSERT_LOCKED(_mutex)					\
+	BUG_ON(!mutex_is_locked(_mutex) ||				\
+	       ((_mutex)->owner != current_thread_info()))
+#else
+#define DRM_ASSERT_LOCKED(_mutex)
+#endif
+
 #endif
-- 
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