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Date:	Tue, 24 Sep 2013 18:38:11 +0200
From:	Oleg Nesterov <oleg@...hat.com>
To:	Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>
Cc:	akpm@...ux-foundation.org, security@...nel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3] kthread: Make kthread_create() killable.

On 09/25, Tetsuo Handa wrote:
>
> Subject: [PATCH] kthread: make kthread_create() killable

The patch looks correct... although I'll try to reread it later ;)

Minor nit, since you are sending the new version anyway...

> +	if (unlikely(wait_for_completion_killable(&done))) {
> +		/*
> +		 * If I was SIGKILLed before kthreadd (or new kernel thread)
> +		 * calls complete(), leave the cleanup of this structure to
> +		 * that thread.
> +		 */
> +		if (xchg(&create->done, NULL))
> +			return ERR_PTR(-ENOMEM);

ENOMEM? Perhaps EINTR makes more sense.

Oleg.

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