Re: Module/kthread/printk question/problem
From: Eric Dumazet
Date: Wed Feb 01 2012 - 12:16:36 EST
Le mercredi 01 fÃvrier 2012 Ã 20:35 +0400, Dmitry Antipov a Ãcrit :
> 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
You could use kthread_stop()
This way you can control all your kernel threads really exited before
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