X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=lib%2Fspinlock_debug.c;h=4f96163df798c415f0490ea20acd07407852c0fc;hb=refs%2Fheads%2Fvserver;hp=e249970b10b98589402265a87b03389044a57e71;hpb=16c70f8c1b54b61c3b951b6fb220df250fe09b32;p=linux-2.6.git

diff --git a/lib/spinlock_debug.c b/lib/spinlock_debug.c
index e249970b1..4f96163df 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>
@@ -116,6 +117,9 @@ static void __spin_lock_debug(spinlock_t *lock)
 				raw_smp_processor_id(), current->comm,
 				current->pid, lock, print_tainted());
 			dump_stack();
+#ifdef CONFIG_SMP
+			trigger_all_cpu_backtrace();
+#endif
 		}
 	}
 }