On Mon, Sep 26, 2022 at 03:23:10PM +0200, Christian Borntraeger wrote:
> Am 26.09.22 um 14:55 schrieb Peter Zijlstra:
>
> > Could you please test with something like the below on? I can boot that
> > with KVM, but obviously I didn't suffer any weirdness to begin with :/
> >
> > ---
> > diff --git a/kernel/sched/core.c b/kernel/sched/core.c
> > index 4e6a6417211f..ef9ccfc3a8c0 100644
> > --- a/kernel/sched/core.c
> > +++ b/kernel/sched/core.c
> > @@ -4051,6 +4051,8 @@ try_to_wake_up(struct task_struct *p, unsigned int
> > state, int wake_flags)
> > unsigned long flags;
> > int cpu, success = 0;
> > + WARN_ON_ONCE(state & TASK_FREEZABLE);
> > +
> > preempt_disable();
> > if (p == current) {
> > /*
>
> Does not seem to trigger.
Moo -- quite the puzzle this :/ I'll go stare at it more then.
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