linux-kernel - Re: [PATCH v2 09/26] x86, irq: kill create

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Date:	Fri, 8 Mar 2013 14:48:33 -0500
From:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
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, Joerg Roedel <joro@...tes.org>,
	Sebastian Andrzej Siewior <sebastian@...akpoint.cc>
Subject: Re: [PATCH v2 09/26] x86, irq: kill create_irq()

On Fri, Feb 08, 2013 at 11:28:06AM -0800, Yinghai Lu wrote:
> create_irq() will return -1 when fail to allocate.

.. failing to allocate
> create_irq_nr() will return 0 when fail to allocate.

.. failing..
> 
> It only causes confusing.

confusion.

> 
> Now we have no user for create_irq(), so remove create_irq() for x86.

> 
> Signed-off-by: Yinghai Lu <yinghai@...nel.org>
> Cc: Joerg Roedel <joro@...tes.org>
> Cc: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
> Cc: Sebastian Andrzej Siewior <sebastian@...akpoint.cc>
> ---
>  arch/x86/kernel/apic/io_apic.c |   15 ---------------
>  1 file changed, 15 deletions(-)
> 
> diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
> index c703092..4c1a726 100644
> --- a/arch/x86/kernel/apic/io_apic.c
> +++ b/arch/x86/kernel/apic/io_apic.c
> @@ -2968,21 +2968,6 @@ unsigned int create_irq_nr(unsigned int from, int node)
>  	return __create_irqs(from, 1, node);
>  }
>  
> -int create_irq(void)
> -{
> -	int node = cpu_to_node(0);
> -	unsigned int irq_want;
> -	int irq;
> -
> -	irq_want = nr_irqs_gsi;
> -	irq = create_irq_nr(irq_want, node);
> -
> -	if (irq == 0)
> -		irq = -1;
> -
> -	return irq;
> -}
> -
>  void destroy_irq(unsigned int irq)
>  {
>  	struct irq_cfg *cfg = irq_get_chip_data(irq);
> -- 
> 1.7.10.4
> 
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