Messages in this thread | | | Date | Sat, 20 Mar 2021 14:20:46 -0400 | From | Tejun Heo <> | Subject | Re: [PATCH V2] workqueue: watchdog: update wq_watchdog_touched for unbound lockup checking |
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On Fri, Mar 19, 2021 at 04:00:36PM +0800, 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 may be mischecked.
Can you please elaborate here, preferably with a concrete scenario where the new code is better?
Thanks.
-- tejun
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