On Wed, May 25, 2022 at 04:26:27PM +0200, Sebastian Andrzej Siewior wrote: > On 2022-05-25 16:07:47 [+0200], Stefan Wahren wrote: > > this was the same as Paul send. I think i need more time for investigation, > > maybe there is an issue with the application. > > I haven't seen Paul referring to *that* patch. He pointed to some fs/ > related changes. True! Both patches changed from a synchronize_rcu() to a synchronize_rcu_expedited(), but different instances of synchronize_rcu(). Thanx, Paul