Re: [PATCH rc1-mm 2/3] coredump: shutdown current process first

[Oleg Nesterov <oleg@tv-sign.ru>]

On 04/10, Roland McGrath wrote:
>
> I would be inclined to restructure the inner loop something like this:
> 
> 		p = g;
> 		while (unlikely(p->mm == NULL)) {
> 			p = next_thread(p);
> 			if (p == g)
> 				break;
> 		}
> 		if (p->mm == mm) {
> 			/*
> 			 * p->sighand can't disappear, but
> 			 * may be changed by de_thread()
> 			 */
> 			lock_task_sighand(p, &flags);
> 			zap_process(p);
> 			unlock_task_sighand(p, &flags);
> 		}

Yes, I agree, this is much more understandable.

Oleg.