X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=lib%2Fspinlock_debug.c;h=479fd462eaa9c7630df676bdddd91d4dd1212a2c;hb=497f050c42e46a4b1f6a9bcd8827fa5d97fe1feb;hp=b6c4f898197c52f0b175ad0ea9e26466c338ea30;hpb=22a60f1951256ed493bf1430f8c3edcb31c0dbaa;p=powerpc.git

diff --git a/lib/spinlock_debug.c b/lib/spinlock_debug.c
index b6c4f89819..479fd462ea 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
 		}
 	}
 }