Re: [PATCH] kernel: shut up the IRQ mismatch messages (Re: wbsd:IRQ handler type mismatch)

From: Alan
Date: Tue Feb 06 2007 - 14:34:28 EST


> > Signed-off-by: Alan Cox <alan@xxxxxxxxxx>
> >
> > --- linux.vanilla-2.6.20-rc6-mm3/kernel/irq/manage.c 2007-01-31 14:20:43.000000000 +0000
> > +++ linux-2.6.20-rc6-mm3/kernel/irq/manage.c 2007-02-06 11:01:00.796928504 +0000
> > @@ -372,12 +372,14 @@
> > return 0;
> >
> > mismatch:
> > +#ifdef CONFIG_DEBUG_SHIRQ
> > if (!(new->flags & IRQF_PROBE_SHARED)) {
> > printk(KERN_ERR "IRQ handler type mismatch for IRQ %d\n", irq);
> > if (old_name)
> > printk(KERN_ERR "current handler: %s\n", old_name);
> > dump_stack();
> > }
> > +#endif
> > spin_unlock_irqrestore(&desc->lock, flags);
> > return -EBUSY;
> > }
>
> hm, well, it's dependent upon dwmw2's
> generate-a-spurious-irq-at-request_irq-time patch. Do we want to merge
> that?

CONFIG_DEBUG_SHIRQ seemed to be the right configuration option
irrespective of whether we merge Dave's spurious irq tester (which I
think is actually a good test tool)

Alan
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