Re: [PATCH v2 1/2] nohz: add tick_nohz_full_clear_cpus() and _set_cpus() APIs

From: Ingo Molnar
Date: Tue Apr 07 2015 - 05:33:56 EST

* Chris Metcalf <cmetcalf@xxxxxxxxxx> wrote:

> On 04/06/2015 02:29 PM, Frederic Weisbecker wrote:
> >On Mon, Apr 06, 2015 at 02:16:44PM -0400,cmetcalf@xxxxxxxxxx wrote:
> >>>From: Chris Metcalf<cmetcalf@xxxxxxxxxx>
> >>>
> >>>The "clear" API is useful, for example, to modify a cpumask to avoid
> >>>the nohz cores so that interrupts aren't sent to them.
> >>>
> >>>Likewise the "set" API is useful to modify a cpumask indicating some
> >>>special nohz-type functionality so that the nohz cores are
> >>>automatically added to that set.
> >>>
> >>>Signed-off-by: Chris Metcalf<cmetcalf@xxxxxxxxxx>
> >>>---
> >>>Frederic, if you could ack this patch (and maybe the next) before
> >>>I ask for it to be pulled into the timer tree that would be great.
> >>>I will wait a few days before asking in case anyone else has any
> >>>other issues or would like to provide an Acked-by.
> >Sure, or better yet I should take them since they are full nohz code.
> >And I have a pending pile to pull-request to timer tree.
> That would be great, thanks.

That's fine with me too!

My main worry was not about the specific patches but about the route
they take: it gets better review and better response to future bugs if
it goes through the usual maintainer tree (Frederic's).


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