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From: Dmitry Antipov <dmitry.antipov@linaro.org>
To: Eric Dumazet <eric.dumazet@gmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Module/kthread/printk question/problem
Date: Wed, 01 Feb 2012 20:35:03 +0400	[thread overview]
Message-ID: <4F2969B7.4040202@linaro.org> (raw)
In-Reply-To: <1328113899.1882.2.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC>

On 02/01/2012 08:31 PM, Eric Dumazet wrote:

> Race is here :
>
> Here you allow testmod_exit() to continue, while _this_ thread has not
> yet exited.
>
> And if this thread is preempted a litle bit, its code already was freed.
> ->  crash.

I realize this, but there was a second part of the question: what's the
better way to ensure that all test/X threads are really gone at some point of
testmod_exit()?

Thanks,
Dmitry


  reply	other threads:[~2012-02-01 16:35 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-02-01 16:09 Module/kthread/printk question/problem Dmitry Antipov
2012-02-01 16:31 ` Eric Dumazet
2012-02-01 16:35   ` Dmitry Antipov [this message]
2012-02-01 17:16     ` Eric Dumazet
2012-02-02  6:13       ` Dmitry Antipov
2012-02-02  7:45         ` Eric Dumazet
2012-02-02  9:20           ` Dmitry Antipov
2012-02-02  9:15         ` Eric Dumazet
2012-02-02  9:22           ` Dmitry Antipov
2012-02-02  9:58             ` Eric Dumazet
2012-02-06 23:43               ` Rusty Russell

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