Messages in this thread | | | Date | Mon, 22 Mar 2021 17:15:29 +0100 | From | Oleg Nesterov <> | Subject | Re: [PATCH 2/2] signal: don't allow STOP on PF_IO_WORKER threads |
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On 03/20, Jens Axboe wrote: > > --- a/kernel/signal.c > +++ b/kernel/signal.c > @@ -2349,6 +2349,10 @@ static bool do_signal_stop(int signr) > > t = current; > while_each_thread(current, t) { > + /* don't STOP PF_IO_WORKER threads */ > + if (t->flags & PF_IO_WORKER) > + continue; > +
This is not enough. At least task_join_group_stop() should check PF_IO_WORKER too.
Oleg.
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