Messages in this thread | | | Date | Mon, 13 Feb 2017 16:52:30 +0100 | From | Oleg Nesterov <> | Subject | Re: [PATCH v2 8/9] sched: Don't reinvent the wheel but use existing llist API |
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On 02/13, Peter Zijlstra wrote: > > On Mon, Feb 13, 2017 at 04:21:08PM +0900, Byungchul Park wrote: > > + llist_for_each_entry(p, llist, wake_entry) > > + ttwu_do_activate(rq, p, p->sched_remote_wakeup ? WF_MIGRATED : 0, &rf); > > I think this suffers the exact same problem the others did. After > ttwu_do_activate() the llist entry can be reused, so doing list_next() > after it is flaky.
llist_for_each_entry_safe() should work, I guess.
Oleg.
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