Re: [PATCH] locking/mutex: add MUTEX_WARN_ON to warn invalid mutex

[Waiman Long]

On 9/28/25 12:24 PM, buckzhang1212 wrote:
> Hey Long
> you are right,lock->magic check can  help me to get what I want .
> It's a bit late for me, and I want to get the  warning when I first 
> use  the invalid mutex.
> Can I move the lock->magic check to  the mutex_lock?

All the mutex_lock*() functions will eventually call 
__mutex_lock_common() or __mutex_trylock_fast() which also has the check 
. There is no need to duplicate the check in each of them.

Cheers,
Longman