Messages in this thread |  | | Date | Wed, 16 Aug 2017 12:41:40 -0400 | From | Steven Rostedt <> | Subject | Re: RCU stall when using function_graph |
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On Wed, 16 Aug 2017 09:32:28 -0700 "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> 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
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