On Mon, Feb 17, 2020 at 01:07:09PM +0100, Petr Mladek wrote: > The timer used by delayed kthread works are IRQ safe because the used > kthread_delayed_work_timer_fn() is IRQ safe. > > It is properly marked when initialized by KTHREAD_DELAYED_WORK_INIT(). > But TIMER_IRQSAFE flag is missing when initialized by > kthread_init_delayed_work(). > > The missing flag might trigger invalid warning from del_timer_sync() > when kthread_mod_delayed_work() is called with interrupts disabled. > > Reported-by: Grygorii Strashko <grygorii.strashko@xxxxxx> > Signed-off-by: Petr Mladek <pmladek@xxxxxxxx> > Tested-by: Grygorii Strashko <grygorii.strashko@xxxxxx> Acked-by: Tejun Heo <tj@xxxxxxxxxx> Thanks. -- tejun