Re: [PATCH] kthread: Mark timer used by delayed kthread works as IRQ safe

[Grygorii Strashko]

Hi All,

On 16/03/2020 14:23, Grygorii Strashko wrote:
> Hi Petr,
>
> On 19/02/2020 17:22, Tejun Heo wrote:
> > 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>
>
> I'm worry shouldn't this patch have "fixes" tag?

Sorry, the I'm disturbing you, but I have dependency from this path [1].
I can see it in -next: commit d7c8c7de96de ("kthread: mark timer used by
delayed kthread works as IRQ safe"), but it does not present in net-next.

Any way this can be resolved?

[1] https://patchwork.ozlabs.org/cover/1259207/
--
Best regards,
grygorii