diff options
Diffstat (limited to 'kernel/locking/spinlock_debug.c')
| -rw-r--r-- | kernel/locking/spinlock_debug.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/kernel/locking/spinlock_debug.c b/kernel/locking/spinlock_debug.c index 0374a596cffa..d381f559e0ce 100644 --- a/kernel/locking/spinlock_debug.c +++ b/kernel/locking/spinlock_debug.c @@ -12,6 +12,8 @@ #include <linux/debug_locks.h> #include <linux/delay.h> #include <linux/export.h> +#include <linux/bug.h> +#include <soc/qcom/watchdog.h> void __raw_spin_lock_init(raw_spinlock_t *lock, const char *name, struct lock_class_key *key) @@ -64,6 +66,11 @@ static void spin_dump(raw_spinlock_t *lock, const char *msg) owner ? owner->comm : "<none>", owner ? task_pid_nr(owner) : -1, lock->owner_cpu); +#ifdef CONFIG_DEBUG_SPINLOCK_BITE_ON_BUG + msm_trigger_wdog_bite(); +#elif defined(CONFIG_DEBUG_SPINLOCK_PANIC_ON_BUG) + BUG(); +#endif dump_stack(); } @@ -114,7 +121,7 @@ static void __spin_lock_debug(raw_spinlock_t *lock) __delay(1); } /* lockup suspected: */ - spin_dump(lock, "lockup suspected"); + spin_bug(lock, "lockup suspected"); #ifdef CONFIG_SMP trigger_all_cpu_backtrace(); #endif @@ -167,6 +174,11 @@ static void rwlock_bug(rwlock_t *lock, const char *msg) printk(KERN_EMERG "BUG: rwlock %s on CPU#%d, %s/%d, %p\n", msg, raw_smp_processor_id(), current->comm, task_pid_nr(current), lock); +#ifdef CONFIG_DEBUG_SPINLOCK_BITE_ON_BUG + msm_trigger_wdog_bite(); +#elif defined(CONFIG_DEBUG_SPINLOCK_PANIC_ON_BUG) + BUG(); +#endif dump_stack(); } |