Re: [RT WARNING] DEBUG_LOCKS_WARN_ON(rt_mutex_owner(lock) != current) with fsfreeze (4.19.25-rt16)

From: Davidlohr Bueso
Date: Wed May 01 2019 - 15:23:01 EST


On Wed, 01 May 2019, Peter Zijlstra wrote:

Nah, the percpu_rwsem abuse by the freezer is atrocious, we really
should not encourage that. Also, it completely wrecks -RT.

Hence the proposed patch.

Is this patch (and removing rcuwait) only intended for rt?

Thanks,
Davidlohr