Messages in this thread | | | Date | Tue, 30 Apr 2019 16:53:43 +0200 | From | Oleg Nesterov <> | Subject | Re: [RT WARNING] DEBUG_LOCKS_WARN_ON(rt_mutex_owner(lock) != current) with fsfreeze (4.19.25-rt16) |
| |
On 04/30, Peter Zijlstra wrote: > > On Tue, Apr 30, 2019 at 04:42:53PM +0200, Oleg Nesterov wrote: > > I have cloned linux-rt-devel.git > > > > If I understand correctly, in rt rw_semaphore is actually defined in rwsem_rt.h > > so percpu_rwsem_acquire() should probably do > > > > sem->rw_sem.rtmutex.owner = current; > > That'll screw the PI chain (if there is one), right?
Yes, I have already realized this can't work after I glanced at this code, thanks.
Oleg.
| |