Re: Killing tasklet from interrupt

Maksim Krasnyanskiy (maxk@qualcomm.com)
Mon, 18 Mar 2002 15:20:50 -0800


> > You have the tasklet kill itself the next time it executes. Set some
> > flag so it knows it should give up its timer-slot and expire. The
> > interrupt sets the flag. It doesn't do anything else.
>
> I already have this flag and my code mostly work like this, so
>that would be trivial to do.
> I looked at the code, and you are right, killing the tasklet
>within itself is by far the safest way to do it.
Sounds like what you need is tasklet_disable.
tasklet_kill needs process context so you can't use it in timer.

>It's a shame that the code doesn't explitely allow for it (i.e. you will
>deadlock every time
>in tasklet_unlock_wait(t);).
Use tasklet_disable_nosync within the tasklet itself.

Max

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/