Re: Threaded interrupt handlers broken?

Thomas Gleixner
2009-08-17T12:14:06Z

Michael,

On Mon, 17 Aug 2009, Michael Buesch wrote:
> This fixes it :)

can you please test the final version of the fix ?

Thanks,

tglx
---
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -607,7 +607,6 @@ __setup_irq(unsigned int irq, struct irq_desc *desc, struct irqaction *new)
*/
get_task_struct(t);
new->thread = t;
- wake_up_process(t);
}

/*
@@ -690,6 +689,7 @@ __setup_irq(unsigned int irq, struct irq_desc *desc, struct irqaction *new)
(int)(new->flags & IRQF_TRIGGER_MASK));
}

+ new->irq = irq;
*old_ptr = new;

/* Reset broken irq detection when installing new handler */
@@ -707,7 +707,6 @@ __setup_irq(unsigned int irq, struct irq_desc *desc, struct irqaction *new)

spin_unlock_irqrestore(&desc->lock, flags);

- new->irq = irq;
register_irq_proc(irq, desc);
new->dir = NULL;
register_handler_proc(irq, new);