Re: [GIT PULL] nohz: Full dynticks base interface

From: Ingo Molnar
Date: Tue Mar 26 2013 - 04:15:39 EST



* Frederic Weisbecker <fweisbec@xxxxxxxxx> wrote:

> > That way I will be able to test it automatically via randconfig and
> > such.
>
> Sure, I'm adding such an option.
>
> > My next question/request after that would be: could we make sure that
> > enabling this option does not break any applications or kernel
> > functionality, ASAP? Once that is offered, it becomes pushable to
> > v3.10 I think.
>
> So that's already the case. I'm careful that, as we iterate, the changes
> aren't supposed to break something in the middle. the final code that
> eventually shuts the tick down should be the last one in the series:
> once we know it is safe to do so.

I mean, with the .config (or boot) option enabled, with tip:timers/nohz
as-is, will everything work? We cannot push a feature to Linus that
doesn't work reliably when enabled ...

Thanks,

Ingo
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