On Tue, 29 Jan 2019, Thomas Gleixner wrote:
> int __rt_mutex_start_proxy_lock(struct rt_mutex *lock,
> struct rt_mutex_waiter *waiter,
> struct task_struct *task)
> {
> int ret;
>
> + lockdep_asssert_held(&lock->wait_lock);I'm a moron. I fixed that on the test box and wrote the changelog on the laptop. Syncing the two together was too much for my futex wreckaged brain ...

