Re: [PATCH v2] exec: make de_thread() freezable

[Oleg Nesterov]

On 11/12, Chanho Min wrote:
>
> @@ -1083,7 +1084,7 @@ static int de_thread(struct task_struct *tsk)
>  	while (sig->notify_count) {
>  		__set_current_state(TASK_KILLABLE);
>  		spin_unlock_irq(lock);
> -		schedule();
> +		freezable_schedule();
>  		if (unlikely(__fatal_signal_pending(tsk)))
>  			goto killed;
>  		spin_lock_irq(lock);
> @@ -1111,7 +1112,7 @@ static int de_thread(struct task_struct *tsk)
>  			__set_current_state(TASK_KILLABLE);
>  			write_unlock_irq(&tasklist_lock);
>  			cgroup_threadgroup_change_end(tsk);
> -			schedule();
> +			freezable_schedule();
>  			if (unlikely(__fatal_signal_pending(tsk)))
>  				goto killed;
>  		}

Thanks, looks good to me.

Acked-by: Oleg Nesterov <oleg@xxxxxxxxxx>