problem with queue_task() and mark_bh()...
Steven Scholz
steven.scholz at imc-berlin.de
Thu Apr 15 18:08:25 EST 2004
Hi,
I wrote:
> I have a problem with queue_task() and mark_bh().
> ...
> At a later point (namely in the interrupt service rountine this happens:
>
> /* If we have interrupts pending, then put them on a system task queue.*/
> if( events == HCF_INT_PENDING ) {
> /* Schedule the ISR handler as a bottom-half task in the
> * tq_immediate queue
> */
> printk( "Schedule the ISR handler %#lx...\n", lp->task.routine);
>
> queue_task( &( lp->task ), &tq_immediate );
> mark_bh( IMMEDIATE_BH );
> }
>
> The problem is now that the queued task lp->task (i.e. wl_isr_handler)
> never get's called! And thus the driver does not work.
When I call run_task_queue(&tq_immediate) right after mark_bh(IMMEDIATE_BH)
then it works.
But I though "run_task_queue(&tq_immediate)" gets called by the kernel
(after every timer interrupt)...
--
Steven Scholz
imc Measurement & Control imc Meßsysteme GmbH
Voltastr. 5 Voltastr. 5
13355 Berlin 13355 Berlin
Germany Deutschland
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