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    SubjectRe: [PATCH tip/core/rcu 1/6] rcu: Update documentation to cover call_srcu() and srcu_barrier().
    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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