> >+ del_timer(&shaper->timer);
> >+ synchronize_bh(); /* wait for module code to be unused */
> xxxxxxxxxxxxxxx
>
> It's very more fun than that. The point is that we must have it not
> running _while_ del_timer() is running. It doesn't care if it's not
> running _after_ del_timer is been run.
oh, i see now. The shaper device is doing an add_timer within the timer
function. This must not run in parallel with a del_timer(), you are right.
-- mingo
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