RDMA/ucma: Check that device exists prior to accessing it

[pandora-kernel.git] / kernel / extable.c

diff --git a/kernel/extable.c b/kernel/extable.c
index 5339705..ce211bb 100644 (file)
--- a/kernel/extable.c
+++ b/kernel/extable.c
@@ -28,6 +28,8 @@
  * mutex protecting text section modification (dynamic code patching).
  * some users need to sleep (allocating memory...) while they hold this lock.
  *
+ * Note: Also protects SMP-alternatives modification on x86.
+ *
  * NOT exported to modules - patching kernel text is a really delicate matter.
  */
 DEFINE_MUTEX(text_mutex);