linux-kernel - Re: call_usermodehelper && check_hung_uninterruptible

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Message-ID: <20120521182417.GA4297@redhat.com>
Date:	Mon, 21 May 2012 20:24:17 +0200
From:	Oleg Nesterov <oleg@...hat.com>
To:	Boaz Harrosh <bharrosh@...asas.com>
Cc:	Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>,
	rusty@...tcorp.com.au, akpm@...ux-foundation.org,
	torvalds@...ux-foundation.org, tj@...nel.org,
	linux-kernel@...r.kernel.org
Subject: Re: call_usermodehelper && check_hung_uninterruptible_tasks

On 05/21, Oleg Nesterov wrote:
>
> But there is another problem, wait_for_completion/wait_for_completion_killable
> are not freezer-friendly. Perhaps something like the patch below? Just in case,
> it should silence check_hung_uninterruptible_tasks() as well.

Ah, please ignore. I forgot about freeze_processes()->usermodehelper_disable().

Oleg.

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