Re: [PATCH rc1-mm] de_thread: fix deadlockable process addition

[Andrew Morton]

Oleg Nesterov <oleg@xxxxxxxxxx> wrote:
>
> -		if (likely(p->tasks.prev != LIST_POISON2))
> +		if (likely(p->tasks.prev != LIST_POISON2)) {

argh.

c'mon guys, we can't put a dependency on list_head poisoning into generic
code.

We have one in detach_timer() but that's just debugging.
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