linux-kernel - Re: [PATCH 1/2] iommu: dmar: replace printks with appropriate pr

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Date:	Mon, 04 Jun 2012 15:15:37 -0700
From:	Joe Perches <joe@...ches.com>
To:	Donald Dutile <ddutile@...hat.com>
Cc:	dwmw2@...radead.org, iommu@...ts.linux-foundation.org,
	mingo@...e.hu, linux-kernel@...r.kernel.org, chrisw@...hat.com,
	suresh.b.siddha@...el.com
Subject: Re: [PATCH 1/2] iommu: dmar: replace printks with appropriate pr_*()

On Mon, 2012-06-04 at 17:29 -0400, Donald Dutile wrote:
> Replace printk(KERN_*  with pr_*() functions.

Please add
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
before any include and remove the embedded PREFIX
from each printk

> diff --git a/drivers/iommu/dmar.c b/drivers/iommu/dmar.c

[]

>  			break;
>  		}
>  		pdev = pci_get_slot(bus, PCI_DEVFN(path->dev, path->fn));
>  		if (!pdev) {
> -			printk(KERN_WARNING PREFIX
> -			"Device scope device [%04x:%02x:%02x.%02x] not found\n",
> +			pr_warn(PREFIX "Device scope device"
> +				"[%04x:%02x:%02x.%02x] not found\n",
>  				segment, bus->number, path->dev, path->fn);

Please don't split any format string.  You removed
a space between the scope device and an open bracket.
It's OK for format strings to exceed 80 chars.


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