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-rw-r--r--kernel/locking/rtmutex.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/kernel/locking/rtmutex.c b/kernel/locking/rtmutex.c
index 88d08eeb8bc0..fba1229f1de6 100644
--- a/kernel/locking/rtmutex.c
+++ b/kernel/locking/rtmutex.c
@@ -1644,6 +1644,7 @@ static int __sched rt_mutex_slowlock_block(struct rt_mutex_base *lock,
}
static void __sched rt_mutex_handle_deadlock(int res, int detect_deadlock,
+ struct rt_mutex_base *lock,
struct rt_mutex_waiter *w)
{
/*
@@ -1656,10 +1657,10 @@ static void __sched rt_mutex_handle_deadlock(int res, int detect_deadlock,
if (build_ww_mutex() && w->ww_ctx)
return;
- /*
- * Yell loudly and stop the task right here.
- */
+ raw_spin_unlock_irq(&lock->wait_lock);
+
WARN(1, "rtmutex deadlock detected\n");
+
while (1) {
set_current_state(TASK_INTERRUPTIBLE);
rt_mutex_schedule();
@@ -1713,7 +1714,7 @@ static int __sched __rt_mutex_slowlock(struct rt_mutex_base *lock,
} else {
__set_current_state(TASK_RUNNING);
remove_waiter(lock, waiter);
- rt_mutex_handle_deadlock(ret, chwalk, waiter);
+ rt_mutex_handle_deadlock(ret, chwalk, lock, waiter);
}
/*