1 files changed, 4 insertions, 0 deletions

diff --git a/lib/spinlock_debug.c b/lib/spinlock_debug.c
index b6c4f898197..479fd462eaa 100644
--- a/lib/spinlock_debug.c
+++ b/lib/spinlock_debug.c
@@ -7,6 +7,7 @@
  */
 
 #include <linux/spinlock.h>
+#include <linux/nmi.h>
 #include <linux/interrupt.h>
 #include <linux/debug_locks.h>
 #include <linux/delay.h>
@@ -117,6 +118,9 @@ static void __spin_lock_debug(spinlock_t *lock)
                                 raw_smp_processor_id(), current->comm,
                                 current->pid, lock);
                         dump_stack();
+#ifdef CONFIG_SMP
+                        trigger_all_cpu_backtrace();
+#endif
                 }
         }
 }