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SubjectRe: [PATCH] hrtimer: Reset hrtimer cpu base proper on CPU hotplug
On Mon, 29 Jan 2018, Paul E. McKenney wrote:

> On Mon, Jan 29, 2018 at 01:57:38AM -0800, Paul E. McKenney wrote:
> > On Mon, Jan 29, 2018 at 09:20:48AM +0100, Sebastian Sewior wrote:
> > > On 2018-01-26 14:09:17 [-0800], Paul E. McKenney wrote:
> > > > find this one. ;-) But it did pass rcutorture testing for a great many
> > > > years, didn't it? :-/
> > >
> > > It started to trigger better (or at all) on our test box with
> > > modprobe kvm_intel preemption_timer=n
> > >
> > > on the host kernel so maybe a completely unrelated change helped to
> > > trigger this.
> >
> > Good point!
> >
> > And testing continues, currently at 108 hours of TREE01 without any
> > waylayed timers, so looking good! ;-)
> >
> > Just kicked off another 70 hours worth.
>
> And those completed without incident for a total of 178 hours. I believe
> we can call this one fixed. Thank you all!!!
>
> One question... Is the patch shown below needed, or is this just yet
> another case of me being confused? (The lack of it is not triggering,
> but...)

See commit 26456f87aca7

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