Re: [PATCH 2/4] timer: relax tick stop in idle entry

Paul E. McKenney
2015-11-17T05:03:54Z

On Mon, Nov 16, 2015 at 06:57:14PM -0800, Arjan van de Ven wrote:
> On 11/16/2015 6:53 PM, Paul E. McKenney wrote:
> >Fair point. When in the five-jiffy throttling state, what can wake up
> >a CPU? In an earlier version of this proposal, the answer was "nothing",
> >but maybe that has changed.
>
> device interrupts are likely to wake the cpus.

OK, that I cannot help you with. But presumably if the interrupt handler
does a wakeup (or similar), that is deferred to the end of the throttling
interval? Timers are also deferred, including hrtimers?

Thanx, Paul