linux-kernel - Re: [PATCH 2.6.18-rc5] PCI: sort device lists breadth-first

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Date:	Fri, 8 Sep 2006 11:20:35 -0700
From:	Andrew Morton <akpm@...l.org>
To:	Matt Domsch <Matt_Domsch@...l.com>
Cc:	linux-pci@...ey.karlin.mff.cuni.cz, Greg KH <greg@...ah.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2.6.18-rc5] PCI: sort device lists breadth-first

On Thu, 7 Sep 2006 22:14:22 -0500
Matt Domsch <Matt_Domsch@...l.com> wrote:

> @@ -189,6 +189,8 @@ static int __init pcibios_init(void)
>  
>  	pcibios_resource_survey();
>  
> +	if (!(pci_probe & PCI_NO_SORT))
> +		pci_sort_breadthfirst();
>
> ...
>
> --- a/drivers/pci/probe.c
> +++ b/drivers/pci/probe.c
> @@ -1055,3 +1055,95 @@ EXPORT_SYMBOL(pci_scan_bridge);
>  EXPORT_SYMBOL(pci_scan_single_device);
>  EXPORT_SYMBOL_GPL(pci_scan_child_bus);
>  #endif
> +
> +static int pci_sort_bf_cmp(const struct pci_dev *a, const struct pci_dev *b)
> +static void pci_insertion_sort_klist(struct pci_dev *a, struct list_head *list,
> +static void pci_sort_breadthfirst_klist(void)
> +static void pci_insertion_sort_devices(struct pci_dev *a, struct list_head *list,
> +static void pci_sort_breadthfirst_devices(void)
> +void pci_sort_breadthfirst(void)

I think all these functions can+should be __init?

> +extern void pci_sort_breadthfirst(void);

In which case this needs the __init tag too (new rule, due to frv (at least)).
-
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