Re: Stopping Kernel Threads at module unload time

[Aritz Bastida <aritzbastida@gmail.com>]

Hello,

> This is how the kernel thread is stopped.
>
>      if(info->pid)
>      {
>          (void)kill_proc(info->pid, SIGTERM, 1);
>          wait_for_completion(&info->quit);
>      }
>

I actually would prefer to do it with the new kernel thread API.
So, to create the thread:   kthread_create
bind it to a cpu:                  kthread_bind
stop it:                                kthread_stop

Now, if I call kthread_stop() in module unload time, does that code
run in user process context just like system calls do? That is
important, because if it cannot sleep, it would deadlock.
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