linux-kernel - Re: [PATCH v3 06/27] ia64, irq: Add dummy create_irq

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Date:	Sun, 9 Jun 2013 17:22:59 +0200
From:	Sebastian Andrzej Siewior <sebastian@...akpoint.cc>
To:	Yinghai Lu <yinghai@...nel.org>
Cc:	Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...e.hu>,
	"H. Peter Anvin" <hpa@...or.com>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	"Rafael J. Wysocki" <rjw@...k.pl>, linux-pci@...r.kernel.org,
	linux-kernel@...r.kernel.org, Tony Luck <tony.luck@...el.com>,
	Fenghua Yu <fenghua.yu@...el.com>, linux-ia64@...r.kernel.org
Subject: Re: [PATCH v3 06/27] ia64, irq: Add dummy create_irq_nr()

On Fri, Jun 07, 2013 at 03:30:52PM -0700, Yinghai Lu wrote:
> create_irq() will return -1 when fail to allocate.
The ia64 code here will return -ENOSPC. 

> create_irq_nr() will return 0 when fail to allocate.
> 
> Will use it to fix one return value checking for dmar_msi irq.

What about to unify the interface? Using -1 is kinda bad.

Sebastian
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