Merge branch 'master' into gfs2

1 files changed, 8 insertions, 1 deletions

diff --git a/kernel/lockdep.c b/kernel/lockdep.c
index 9bad17884513..c088e5542e84 100644
--- a/kernel/lockdep.c
+++ b/kernel/lockdep.c
@@ -224,7 +224,14 @@ static int save_trace(struct stack_trace *trace)
         trace->max_entries = MAX_STACK_TRACE_ENTRIES - nr_stack_trace_entries;
         trace->entries = stack_trace + nr_stack_trace_entries;
 
-        save_stack_trace(trace, NULL, 0, 3);
+        trace->skip = 3;
+        trace->all_contexts = 0;
+
+        /* Make sure to not recurse in case the the unwinder needs to tak
+e          locks. */
+        lockdep_off();
+        save_stack_trace(trace, NULL);
+        lockdep_on();
 
         trace->max_entries = trace->nr_entries;