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-rw-r--r--kernel/lockdep.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/kernel/lockdep.c b/kernel/lockdep.c
index 9bad178..c088e55 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;