> > Issuing a zero objects dequeue with a single consumer has no effect. > > Doing so with multiple consumers, can get more than one thread to succeed > > the compare-and-set operation and observe starvation or even deadlock in > > the while loop that checks for preceding dequeues. The problematic piece > > of code when n = 0: > > > > cons_next = cons_head + n; > > success = rte_atomic32_cmpset(&r->cons.head, cons_head, cons_next); > > > > The same is possible on the enqueue path. > > > > Signed-off-by: Lazaros Koromilas <l at nofutznetworks.com> > > Acked-by: Olivier Matz <olivier.matz at 6wind.com>
Applied, thanks
