linux-kernel - Re: [PATCH 1/5] vfio-pci: Allow PCI IDs to be specified as module options

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Date:	Wed, 04 Mar 2015 15:49:02 -0500
From:	Bandan Das <bsd@...hat.com>
To:	Alex Williamson <alex.williamson@...hat.com>
Cc:	kvm@...r.kernel.org, linux-pci@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/5] vfio-pci: Allow PCI IDs to be specified as module options

Hi Alex,

Alex Williamson <alex.williamson@...hat.com> writes:
...
> +		if (fields < 2) {
> +			pr_warn("vfio-pci: invalid id string \"%s\"\n", id);
> +			continue;
> +		}
> +
> +		pr_info("vfio-pci: add %04X:%04X sub=%04X:%04X cls=%08X/%08X\n",
> +			vendor, device, subvendor, subdevice,
> +			class, class_mask);
> +
> +		rc = pci_add_dynid(&vfio_pci_driver, vendor, device,
> +				   subvendor, subdevice, class, class_mask, 0);
> +		if (rc)
> +			pr_warn("vfio-pci: failed to add dynamic id (%d)\n",
> +				rc);
Just a minor observation - maybe we should print out the
vendor/device/subvendor/subdevice as part of the failure message too. The info
message could potentially get lost in a system with high syslog traffic.

Bandan

> +	}
> +}
> +
>  static int __init vfio_pci_init(void)
>  {
>  	int ret;
> @@ -1053,6 +1097,8 @@ static int __init vfio_pci_init(void)
>  	if (ret)
>  		goto out_driver;
>  
> +	vfio_pci_fill_ids();
> +
>  	return 0;
>  
>  out_driver:
>
> --
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