On Wed, 24 Apr 2019, Petr Mladek wrote: > WARN_ONCE() in the generic save_stack_trace_tsk_reliable() is superfluous. > The only current user klp_check_stack() writes its own warning when > -ENOSYS is returned. > > Signed-off-by: Petr Mladek <pmladek@xxxxxxxx> Acked-by: Miroslav Benes <mbenes@xxxxxxx> Miroslav