Merge branches 'tracing/ftrace' and 'tracing/urgent' into tracing/core

Conflicts:
	kernel/trace/ftrace.c

[ We conflicted here because we backported a few fixes to
  tracing/urgent - which has different internal APIs. ]

kernel/fork.c

@@ -40,6 +40,7 @@
 #include <linux/jiffies.h>
 #include <linux/tracehook.h>
 #include <linux/futex.h>
+#include <linux/compat.h>
 #include <linux/task_io_accounting_ops.h>
 #include <linux/rcupdate.h>
 #include <linux/ptrace.h>
@@ -521,6 +522,16 @@ void mm_release(struct task_struct *tsk, struct mm_struct *mm)
 {
 	struct completion *vfork_done = tsk->vfork_done;
 
+	/* Get rid of any futexes when releasing the mm */
+#ifdef CONFIG_FUTEX
+	if (unlikely(tsk->robust_list))
+		exit_robust_list(tsk);
+#ifdef CONFIG_COMPAT
+	if (unlikely(tsk->compat_robust_list))
+		compat_exit_robust_list(tsk);
+#endif
+#endif
+
 	/* Get rid of any cached register state */
 	deactivate_mm(tsk, mm);