linux-kernel - Re: [patch 17/75] genirq: Consolidate IRQ

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Date:	Fri, 11 Feb 2011 12:39:03 +0100 (CET)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Lars-Peter Clausen <lars@...afoo.de>
cc:	LKML <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...e.hu>,
	Peter Zijlstra <peterz@...radead.org>
Subject: Re: [patch 17/75] genirq: Consolidate IRQ_DISABLED

On Fri, 11 Feb 2011, Lars-Peter Clausen wrote:

> On 02/11/2011 12:36 AM, Thomas Gleixner wrote:
> > Index: linux-2.6-tip/kernel/irq/chip.c
> > ===================================================================
> > --- linux-2.6-tip.orig/kernel/irq/chip.c
> > +++ linux-2.6-tip/kernel/irq/chip.c
> > @@ -192,11 +192,14 @@ EXPORT_SYMBOL_GPL(set_irq_nested_thread)
> >
> >  int irq_startup(struct irq_desc *desc)
> >  {
> > -	desc->status &= ~(IRQ_MASKED | IRQ_DISABLED);
> > +	desc->status &= ~IRQ_DISABLED;
> >  	desc->depth = 0;
> >
> > -	if (desc->irq_data.chip->irq_startup)
> > -		return desc->irq_data.chip->irq_startup(&desc->irq_data);
> > +	if (desc->irq_data.chip->irq_startup) {
> > +		int ret = desc->irq_data.chip->irq_startup(&desc->irq_data);
> > +		desc->status &= IRQ_MASKED;
> 
> Although it is fixed in patch 45 of this series, I guess it should rather be
> desc->status &= ~IRQ_MASKED here too.

Good catch. Will fix nevertheless.

Thanks,

	tglx
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