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

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Date:	Mon, 10 Jun 2013 16:41:40 -0700
From:	Yinghai Lu <yinghai@...nel.org>
To:	Sebastian Andrzej Siewior <sebastian@...akpoint.cc>
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-pci@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Tony Luck <tony.luck@...el.com>,
	Fenghua Yu <fenghua.yu@...el.com>,
	"linux-ia64@...r.kernel.org" <linux-ia64@...r.kernel.org>
Subject: Re: [PATCH v3 06/27] ia64, irq: Add dummy create_irq_nr()

On Sun, Jun 9, 2013 at 8:22 AM, Sebastian Andrzej Siewior
<sebastian@...akpoint.cc> wrote:
> 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.

after some following patch, create_irq() in x86 get killed.

Still need ia64 guys to kill create_irq() in arch/ia64.

Thanks

Yinghai
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