Re: [PATCH] kthread: Mark timer used by delayed kthread works as IRQ safe
From: Tejun Heo <tj@kernel.org>
Date: 2020-02-19 15:22:52
Also in:
linux-rt-users, lkml, netdev
From: Tejun Heo <tj@kernel.org>
Date: 2020-02-19 15:22:52
Also in:
linux-rt-users, lkml, netdev
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@ti.com> Signed-off-by: Petr Mladek <pmladek@suse.com> Tested-by: Grygorii Strashko <grygorii.strashko@ti.com>
Acked-by: Tejun Heo <tj@kernel.org> Thanks. -- tejun _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel