Re: [PATCH v3] KVM: Move VM's worker kthreads back to the original cgroup before exiting.

[Paolo Bonzini]

On 2/17/22 13:34, kernel test robot wrote:
> > 5859		reattach_err = cgroup_attach_task_all(current->real_parent, current);

This needs to be within rcu_dereference().

Paolo

>    5860		if (reattach_err) {
>    5861			kvm_err("%s: cgroup_attach_task_all failed on reattach with err %d\n",
>    5862				__func__, reattach_err);
>    5863		}
>    5864		return err;
>    5865	}
>    5866	
>
> ---
> 0-DAY CI Kernel Test Service, Intel Corporation
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