On Wed, 16 Aug 2017 09:32:28 -0700 "Paul E. McKenney" <[email protected]> wrote:
> Let me see if I understand you... About halfway to the stall limit, > RCU triggers an irq_work (on each CPU that has not yet passed through > a quiescent state, IPIing them in turn?), and if the irq_work has > not completed by the end of the stall limit, RCU adds that to its > stall-warning message. Doesn't even have to be half way through. It could be done at the limit, and then wait a little more. > > Or am I missing something here? No, I think that's what I was suggesting. -- Steve
