Re: [tip:timers/core] hrtimer: Allow concurrent hrtimer_start() for self restarting timers

From: Ingo Molnar
Date: Wed May 13 2015 - 09:54:32 EST



* Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:

> On Tue, May 12, 2015 at 09:52:09AM -0400, Sasha Levin wrote:
> > Hey Peter,
> >
> > I seem to be hitting this warning with the latest -next (2015-05-11):
> >
> > [3344291.055800] WARNING: CPU: 0 PID: 9422 at kernel/time/hrtimer.c:802 hrtimer_forward+0x1f9/0x330()
>
> Indeed.
>
> So I can't seem to come up with a pretty solution :-(

I'm running into this rather frequently as well, in -tip integration
testing, on real hardware, so we need a solution :-/

Thanks,

Ingo
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