linux-kernel - Re: [RFC net-next 0/2] net: Use net_<level>

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Message-ID: <1337106430.15553.6.camel@jlt3.sipsolutions.net>
Date:	Tue, 15 May 2012 20:27:10 +0200
From:	Johannes Berg <johannes@...solutions.net>
To:	Joe Perches <joe@...ches.com>
Cc:	David Miller <davem@...emloft.net>, netdev@...r.kernel.org,
	linux-decnet-user@...ts.sourceforge.net,
	netfilter-devel@...r.kernel.org, netfilter@...r.kernel.org,
	coreteam@...filter.org, linux-wireless@...r.kernel.org,
	dev@...nvswitch.org, linux-sctp@...r.kernel.org,
	linux-nfs@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC net-next 0/2] net: Use net_<level>_ratelimit

On Tue, 2012-05-15 at 10:59 -0700, Joe Perches wrote:

> OK, but fyi, there's a possible issue with !CONFIG_DEBUG
> builds because these patches converted some uses of
> 	if (net_ratelimit())
> 		printk(KERN_DEBUG ...
> to
> 	net_dbg_ratelimited()
> 
> These messages are no longer emitted when DEBUG isn't defined
> and not using dynamic_debug.  I'm not sure that's a real
> problem, but it's a difference.
> 
> I could produce a net_printk_ratelimited that would keep
> the original behavior if necessary.
> 
> 	net_printk_ratelimited(KERN_DEBUG etc...)

Btw, what would the difference be to just plain printk_ratelimited()?

johannes

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