netdev - RE: [PATCH] e1000e: Use pr_<level> and netdev

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Date:	Wed, 24 Mar 2010 16:54:48 -0700
From:	"Allan, Bruce W" <bruce.w.allan@...el.com>
To:	Joe Perches <joe@...ches.com>,
	"Kirsher, Jeffrey T" <jeffrey.t.kirsher@...el.com>
CC:	"davem@...emloft.net" <davem@...emloft.net>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"gospo@...hat.com" <gospo@...hat.com>
Subject: RE: [PATCH] e1000e: Use pr_<level> and netdev_<level>

On Wednesday, March 24, 2010 4:43 PM, Joe Perches wrote:
> On Wed, 2010-03-24 at 15:55 -0700, Jeff Kirsher wrote:
>> From: Bruce Allan <bruce.w.allan@...el.com>
>> As an alternative to a quite large patch previously submitted by Joe
>> Perches to make use of kernel logging API, this patch is much less
>> intrusive.
> []
>> diff --git a/drivers/net/e1000e/e1000.h b/drivers/net/e1000e/e1000.h
>> index 118bdf4..23ab67c 100644 --- a/drivers/net/e1000e/e1000.h
>> +++ b/drivers/net/e1000e/e1000.h
>> @@ -42,25 +42,16 @@
>> 
>>  struct e1000_info;
>> 
>> -#define e_printk(level, adapter, format, arg...) \
>> -	printk(level "%s: %s: " format, pci_name(adapter->pdev), \
>> -	       adapter->netdev->name, ## arg)
>> -
>> -#ifdef DEBUG
>>  #define e_dbg(format, arg...) \
>> -	e_printk(KERN_DEBUG , hw->adapter, format, ## arg)
>> -#else
>> -#define e_dbg(format, arg...) do { (void)(hw); } while (0)
>> -#endif
>> -
>> +	netdev_dbg(hw->adapter->netdev, format, ## arg)
>>  #define e_err(format, arg...) \
>> -	e_printk(KERN_ERR, adapter, format, ## arg)
>> +	netdev_err(adapter->netdev, format, ## arg)
>>  #define e_info(format, arg...) \
>> -	e_printk(KERN_INFO, adapter, format, ## arg)
>> +	netdev_info(adapter->netdev, format, ## arg)
>>  #define e_warn(format, arg...) \
>> -	e_printk(KERN_WARNING, adapter, format, ## arg)
>> +	netdev_warn(adapter->netdev, format, ## arg)
>>  #define e_notice(format, arg...) \
>> -	e_printk(KERN_NOTICE, adapter, format, ## arg)
>> +	netdev_notice(adapter->netdev, format, ## arg)
> 
> Macros that use global variables are undesirable.
> 
> I think there's value in using standard mechanisms.
> 
> cheers, Joe

No global variable is used - both adapter and hw are either a local variable or a passed in parameter for all functions that use these macros.--
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