Messages in this thread | | | Date | Fri, 15 Jun 2012 14:16:43 -0700 | From | "Paul E. McKenney" <> | Subject | Re: [PATCH tip/core/rcu 1/6] rcu: Update documentation to cover call_srcu() and srcu_barrier(). |
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On Fri, Jun 15, 2012 at 01:19:12PM -0700, Josh Triplett wrote: > On Fri, Jun 15, 2012 at 11:57:49AM -0700, Paul E. McKenney wrote: > > --- a/Documentation/RCU/rcubarrier.txt > > +++ b/Documentation/RCU/rcubarrier.txt > > @@ -261,8 +261,10 @@ Answers to Quick Quizzes > > > > Quick Quiz #1: Why is there no srcu_barrier()? > > > > -Answer: Since there is no call_srcu(), there can be no outstanding SRCU > > - callbacks. Therefore, there is no need to wait for them. > > +Answer: There really is an srcu_barrier() now that there is a call_srcu(). > > + Before call_srcu(), there were no SRCU callbacks, and there was > > + therefore no need to wait for them, and therefore there was > > + no srcu_barrier(). > > I don't think it makes sense to leave this question in its current form > and just change the answer. It seems like a trick question now. :) > > I'd suggest just dropping the question and renumbering the remaining > questions.
But I -like- trick questions!!! ;-)
I will nevertheless update as suggested.
Thanx, Paul
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