Re: [PATCH] freezer,sched: Move state information judgment outside task_call_func

[Peter Zijlstra]

On Thu, Dec 07, 2023 at 07:16:34PM +0800, Xiaolei Wang wrote:
> It is dangerous to output warnings in task_call_func,
> which may lead to the risk of deadlock. task_call_func
> uses p->pi_lock, and the serial port output may call
> try_to_wake_up to wake up the write buff, which also
> uses p->pi_lock.

No, we're not going to make the code ugly because printk is stupid. Fix
whatever that triggers the WARN and leave it at that.