netdev - Re: [PATCH] [RFC -v3] NET: Implement a standard ndev

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Message-ID: <466ED3B3.1080300@garzik.org>
Date:	Tue, 12 Jun 2007 13:11:15 -0400
From:	Jeff Garzik <jeff@...zik.org>
To:	Joe Perches <joe@...ches.com>
CC:	Auke Kok <auke-jan.h.kok@...el.com>, netdev@...r.kernel.org,
	davem@...emloft.net, arjan@...ux.intel.com,
	shemminger@...ux-foundation.org, randy.dunlap@...cle.com
Subject: Re: [PATCH] [RFC -v3] NET: Implement a standard ndev_printk family

Joe Perches wrote:
> On Mon, 2007-06-11 at 17:40 -0700, Auke Kok wrote:
>> +#define ndev_err(netdev, level, format, arg...) \
>> +	do { \
>> +		struct net_device *__nd = (netdev); \
>> +		if ((__nd)->msg_enable & NETIF_MSG_##level) \
>> +			printk(KERN_ERR "%s: %s: " format, (__nd)->name, \
>> +				(__nd)->dev.parent->bus_id, ## arg); \
>> +	} while (0)
>> +
> 
> I think it's better to remove the macro concatenation/obfuscation
> of the NETIF_MSG_##level argument and simply pass the appropriate
> NETIF_MSG_<type> directly to these ndev_<level> calls.
> 
> It would also simplify the more than 300 calls in drivers/net of
> 
> 	if (netif_msg_<type>(ptr))
> 		printk(foo)
> 
> to
> 
> 	ndev_<level>(netdev, NETIF_MSG_<type>, fmt, args)

I think this is a whole lot of iteration and effort for a non-problem.

	Jeff



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