Messages in this thread | | | Subject | Re: Module/kthread/printk question/problem | From | Eric Dumazet <> | Date | Wed, 01 Feb 2012 18:16:34 +0100 |
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Le mercredi 01 février 2012 à 20:35 +0400, Dmitry Antipov a écrit : > 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()? >
You could use kthread_stop()
This way you can control all your kernel threads really exited before module cleanup.
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