lockdep: x86_64: connect the sysexit hook

Run the lockdep_sys_exit hook after all other C code on the syscall
return path.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 4 insertions, 0 deletions

diff --git a/arch/x86/lib/thunk_64.S b/arch/x86/lib/thunk_64.S
index 55e586d352d3..6ea73f3de567 100644
--- a/arch/x86/lib/thunk_64.S
+++ b/arch/x86/lib/thunk_64.S
@@ -50,6 +50,10 @@
         thunk trace_hardirqs_on_thunk,trace_hardirqs_on
         thunk trace_hardirqs_off_thunk,trace_hardirqs_off
 #endif
+
+#ifdef CONFIG_DEBUG_LOCK_ALLOC
+        thunk lockdep_sys_exit_thunk,lockdep_sys_exit
+#endif
         
         /* SAVE_ARGS below is used only for the .cfi directives it contains. */
         CFI_STARTPROC