Re: [PATCH 0/2] nohz: Deal with clock reprogram skipping issues v3

From: Frederic Weisbecker
Date: Tue May 30 2017 - 08:51:33 EST


On Tue, May 30, 2017 at 07:47:09AM +0200, Ingo Molnar wrote:
>
> * Frederic Weisbecker <fweisbec@xxxxxxxxx> wrote:
>
> > > Well, this does not answer my question: between latest tip:timers/nohz and the
> > > patches you posted there's a delta, so it's not just a pure rebase.
> >
> > Yeah but like I said, you can forget the series I posted because the diff is
> > mostly cosmetic and things are actually ok as they are in tip:timers/nohz
> >
> > The only thing that bothers me is the fact that the HEAD of this branch doesn't have
> > a changelog or even just a comment.
>
> We can still amend that - is this changelog what you had in mind:
>
> nohz: Reset next_tick cache even when the timer has no regs
>
> Handle tick interrupts whose regs are NULL, out of general paranoia. It happens
> when hrtimer_interrupt() is called from non-interrupt contexts, such as hotplug
> CPU down events.
>
> ?

Yep that one is fine. Thanks!