On Thu, May 18, 2023 at 10:50:51AM +0900, Akira Yokosawa wrote: > Hi, > > On Wed, 17 May 2023 12:01:10 +0000, Hao Lee wrote: > > Hi, Paul > > > > I noticed that QuickQuiz 5.46 is causing confusion due to the fact that > > balance_count() and flush_local_count() are both located within the > > slowpath and are called sequentially. As a result, it is impossible for > > them to compete for the counterandmax thread-local variable. > > Right. > And that's exactly what is mentioned in the answer to the quiz. > > I guess it confused you because you didn't expect such an easy one, > no ? :-) In fact I'm confused about the question description. I believe that this quiz should focus on the concurrency of global variables, rather than on the concurrency of the atomic variable `counterandmax`, which is currently the main focus of the description. > > Thanks, Akira > > > Therefore, > > I believe that this quiz may be referring to the global variables > > globalcount and globalreserve. > > > > Thanks, > > Hao Lee