From mboxrd@z Thu Jan  1 00:00:00 1970
From: Thomas Monjalon <thomas.monjalon@6wind.com>
Subject: Re: [PATCH v8 8/9] eal: enable PCI bus
Date: Wed, 18 Jan 2017 00:57:30 +0100
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References: <1484647774-28984-1-git-send-email-shreyansh.jain@nxp.com>
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To: Shreyansh Jain <shreyansh.jain@nxp.com>
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2017-01-17 19:07, Shreyansh Jain:
> -       /* Probe & Initialize PCI devices */
> -       if (rte_eal_pci_probe())
> -               rte_panic("Cannot probe PCI\n");
> -
>         /* Probe all the buses and devices/drivers on them */
>         if (rte_bus_probe())
>                 rte_panic("Cannot probe devices\n");
> 

I like reading this :)
It is a good step.
A next step could be removing rte_bus_probe() and do it from
the scan functions, after letting the application manage the
blacklist via a callback.