Re: [PATCH 1/1] sched/core: Fix stuck on completion for affine_move_task() when stopper disable

[Peter Zijlstra]

On Tue, Oct 10, 2023 at 02:40:22PM +0000, Kuyo Chang (張建文) wrote:
> On Fri, 2023-09-29 at 12:21 +0200, Peter Zijlstra wrote:
> >  	 
> >  On Wed, Sep 27, 2023 at 03:57:35PM +0000, Kuyo Chang (張建文) wrote:
> > 
> > > This issue occurs at CPU hotplug/set_affinity stress test.
> > > The reproduce ratio is very low(about once a week).
> > 
> > I'm assuming you're running an arm64 kernel with preempt_full=y (the
> > default for arm64).
> > 
> > Could you please test the below?
> > 
> 
> It is running good so far(more than a week)on hotplug/set affinity
> stress test. I will keep it testing and report back if it happens
> again.

OK, I suppose I should look at writing a coherent Changelog for this
then...