On Mon, Feb 7, 2022 at 4:21 PM Hillf Danton <hdanton@xxxxxxxx> wrote: > > On Mon, 7 Feb 2022 11:31:38 -0800 Suren Baghdasaryan wrote: > > > > Sorry for the delay. Are you concerned about the use of spin_lock() > > inside percpu_rwsem_async_destroy() which would become a sleeping lock > > in case of PREEMPT_RT? If so, we can use raw_spin_lock() when locking > > destroy_list_lock. Please confirm. Thanks! > > Yes please replace spin lock with the raw version which can fit in > more scenarios. Thanks for confirmation! I'll rework my patch and will send it to Michel to include in the next version of his patchset. > > Hillf >
