linux-kernel - Re: [PATCH 06/19] x86, msi: Use IRQ remapping specific setup_msi

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Date:	Sun, 26 Aug 2012 20:10:10 +0200
From:	Sebastian Andrzej Siewior <sebastian@...akpoint.cc>
To:	Joerg Roedel <joerg.roedel@....com>
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 06/19] x86, msi: Use IRQ remapping specific
 setup_msi_irqs routine

On Mon, Aug 20, 2012 at 03:55:52PM +0200, Joerg Roedel wrote:
> diff --git a/drivers/iommu/irq_remapping.c b/drivers/iommu/irq_remapping.c
> index f439151..984104b 100644
> --- a/drivers/iommu/irq_remapping.c
> +++ b/drivers/iommu/irq_remapping.c
> @@ -181,7 +232,7 @@ void compose_remapped_msi_msg(struct pci_dev *pdev,
>  	remap_ops->compose_msi_msg(pdev, irq, dest, msg, hpet_id);
>  }
>  
> -int msi_alloc_remapped_irq(struct pci_dev *pdev, int irq, int nvec)
> +static int msi_alloc_remapped_irq(struct pci_dev *pdev, int irq, int nvec)
>  {
>  	if (!remap_ops || !remap_ops->msi_alloc_irq)
>  		return -ENODEV;
> @@ -189,8 +240,8 @@ int msi_alloc_remapped_irq(struct pci_dev *pdev, int irq, int nvec)
>  	return remap_ops->msi_alloc_irq(pdev, irq, nvec);
>  }
>  
> -int msi_setup_remapped_irq(struct pci_dev *pdev, unsigned int irq,
> -			   int index, int sub_handle)
> +static int msi_setup_remapped_irq(struct pci_dev *pdev, unsigned int irq,
> +				  int index, int sub_handle)
>  {
>  	if (!remap_ops || !remap_ops->msi_setup_irq)
>  		return -ENODEV;

Both functions, that is msi_alloc_remapped_irq() and msi_setup_remapped_irq()
and are now called only from irq_remapping_setup_msi_irqs() which can only be
called once remap_ops are set.

Sebastian
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