Re:Re: Re: Re: [PATCH V2] workqueue: watchdog: update wq_watchdog_touched for unbound lockup checking

2021-03-24 Thread 王擎
>On Wed 2021-03-24 10:16:46, 王擎 wrote: >> >> >On Tue 2021-03-23 20:37:35, 王擎 wrote: >> >> >> >> >On Fri 2021-03-19 16:00:36, Wang Qing wrote: >> >> >> When touch_softlockup_watchdog() is called, only >> >> >> wq_watchdog_touched_cpu >> >> >> updated, while the unbound worker_pool running on it

Re: Re: Re: [PATCH V2] workqueue: watchdog: update wq_watchdog_touched for unbound lockup checking

2021-03-24 Thread Petr Mladek
On Wed 2021-03-24 10:16:46, 王擎 wrote: > > >On Tue 2021-03-23 20:37:35, 王擎 wrote: > >> > >> >On Fri 2021-03-19 16:00:36, Wang Qing wrote: > >> >> When touch_softlockup_watchdog() is called, only > >> >> wq_watchdog_touched_cpu > >> >> updated, while the unbound worker_pool running on its core us

Re: Re: [PATCH V2] workqueue: watchdog: update wq_watchdog_touched for unbound lockup checking

2021-03-23 Thread Petr Mladek
On Tue 2021-03-23 20:37:35, 王擎 wrote: > > >On Fri 2021-03-19 16:00:36, Wang Qing wrote: > >> When touch_softlockup_watchdog() is called, only wq_watchdog_touched_cpu > >> updated, while the unbound worker_pool running on its core uses > >> wq_watchdog_touched to determine whether locked up. This