Re: kernel/timer: avoid spurious ksoftirqd wakeups (v2)

From: Thomas Gleixner
Date: Sat Apr 11 2015 - 05:25:31 EST

On Fri, 10 Apr 2015, Luiz Capitulino wrote:
> On Fri, 10 Apr 2015 15:09:07 -0300
> > It seems a valid solution for this interrupt is to program
> > sched_timer to the nearest future possible.
> What about calling the timer function right there, like
> hrtimer_interrupt() does?

No, you cannot call the timer function from the enqueue path. The
caller might hold a lock which is taken in the callback as well.....


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