diff options
Diffstat (limited to 'lib/spinlock_debug.c')
| -rw-r--r-- | lib/spinlock_debug.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/spinlock_debug.c b/lib/spinlock_debug.c index b6c4f898197c..479fd462eaa9 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 } } } |