Re: [PATCH] Additional/catchup RCU signal fixes for -mm

[Oleg Nesterov]

Oleg Nesterov wrote:
> 
> "Paul E. McKenney" wrote:
> >
> > +       if (p->sighand == NULL) {
> > +               ret = 1;
> 
> Oh, I think there is another problem here. I'll post a separate
> message.

Sorry, I was not clear. This problem is unrelated. Yes, I think we
should drop the signal. But please note that ret = 1 (sig_ignored)
means (surprise!) "reschedule and re-arm this timer right now" in
cpu-timer case. It is not critical, but may be ret = 0 is better.

Oleg.
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