Re: [PATCH v3 6/6] freezer,sched: Rewrite core freezer logic

Christian Borntraeger
2022-09-26T14:56:02Z

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.