linux-kernel - Re: [PATCH 16/19] x86, irq: Introduce setup_remapped

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Message-ID: <20120925134320.GB2505@amd.com>
Date:	Tue, 25 Sep 2012 15:43:20 +0200
From:	Joerg Roedel <joerg.roedel@....com>
To:	Sebastian Andrzej Siewior <sebastian@...akpoint.cc>
CC:	<x86@...nel.org>, <linux-kernel@...r.kernel.org>,
	<joro@...tes.org>, Suresh Siddha <suresh.b.siddha@...el.com>,
	Yinghai Lu <yinghai@...nel.org>
Subject: Re: [PATCH 16/19] x86, irq: Introduce setup_remapped_irq()

On Sun, Aug 26, 2012 at 08:30:30PM +0200, Sebastian Andrzej Siewior wrote:
> On Mon, Aug 20, 2012 at 03:56:02PM +0200, Joerg Roedel wrote:
> > --- a/arch/x86/include/asm/irq_remapping.h
> > +++ b/arch/x86/include/asm/irq_remapping.h
> > @@ -44,6 +44,9 @@ extern void compose_remapped_msi_msg(struct pci_dev *pdev,
> >  				     struct msi_msg *msg, u8 hpet_id);
> >  extern int setup_hpet_msi_remapped(unsigned int irq, unsigned int id);
> >  extern void panic_if_irq_remap(const char *msg);
> > +extern bool setup_remapped_irq(int irq,
> > +			       struct irq_cfg *cfg,
> > +			       struct irq_chip *chip);
> here and in the next definition, is it possible to fit it in one line or
> alteast in two?

It doesn't fit in one line (without violating the 80 column
recommendation). So I think this is the best readable alternative
format.

> What about
> 
> bool setup_remapped_irq(int irq, struct irq_cfg *cfg, struct irq_chip *chip)
> {
> 	if (!irq_remapped(cfg))
> 		return false;
> 	irq_set_status_flags(irq, IRQ_MOVE_PCNTXT);
> 	irq_remap_modify_chip_defaults(chip);
> 	return true;
> }

You are right, that is better. I changed it.

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