Messages in this thread | | | Date | Thu, 24 May 2018 15:38:39 -0700 | From | "Paul E. McKenney" <> | Subject | Re: [PATCH 1/4] rcu: Speed up calling of RCU tasks callbacks |
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On Thu, May 24, 2018 at 05:47:52PM -0400, Steven Rostedt wrote: > On Wed, 23 May 2018 13:04:58 -0700 > "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> wrote: > > > Looks plausible to me! > > > > BTW looking at the code: > > > /* Invoke the callbacks. */ > > while (list) { > > next = list->next; > > local_bh_disable(); > > list->func(list); > > local_bh_enable(); > > list = next; > > cond_resched(); > > } > > schedule_timeout_uninterruptible(HZ/10); > > What's the purpose of this final sleep?
To avoid any possibility of rcu_tasks_kthread() getting into a tight loop.
Thanx, Paul
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