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From: Ben Greear <greearb@candelatech.com>
To: David Miller <davem@davemloft.net>
Cc: joe@perches.com, netdev@vger.kernel.org
Subject: Re: [PATCH] sk-filter: Rate-limit WARNing, print dbg info.
Date: Tue, 17 May 2011 12:34:01 -0700	[thread overview]
Message-ID: <4DD2CDA9.7000009@candelatech.com> (raw)
In-Reply-To: <20110517.152357.85105240786269960.davem@davemloft.net>

On 05/17/2011 12:23 PM, David Miller wrote:
> From: Joe Perches<joe@perches.com>
> Date: Tue, 17 May 2011 11:52:29 -0700
>
>> On Tue, 2011-05-17 at 11:30 -0700, greearb@candelatech.com wrote:
>>> From: Ben Greear<greearb@candelatech.com>
>>> A mis-configured filter can spam the logs with
>>> lots of stack traces.  Rate-limit the warnings
>>> and add printout of the bogus filter information.
>>> -			WARN_ON(1);
>>> +			if (net_ratelimit()) {
>>> +				pr_err("filter: Unknown code: %hu jt: %u tf: %u"
>>> +				       " k: %u\n",
>>> +				       fentry->code, (unsigned int)(fentry->jt),
>>> +				       (unsigned int)(fentry->jf), fentry->k);
>>> +				WARN_ON(1);
>>> +			}
>>
>> Maybe just using WARN is better.
>
> Yep, it looks better to me.

You want to just take his, or shall I re-spin it?

Either is fine with me.

Thanks,
Ben

>
>> I believe the casts aren't necessary.
>
> Also correct.
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-- 
Ben Greear <greearb@candelatech.com>
Candela Technologies Inc  http://www.candelatech.com


  reply	other threads:[~2011-05-17 19:34 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-05-17 18:30 [PATCH] sk-filter: Rate-limit WARNing, print dbg info greearb
2011-05-17 18:52 ` Joe Perches
2011-05-17 19:23   ` David Miller
2011-05-17 19:34     ` Ben Greear [this message]
2011-05-17 19:39       ` David Miller
2011-05-17 19:53       ` Joe Perches
     [not found]         ` <4DD2DB9D.6050306@candelatech.com>
2011-05-17 21:13           ` RFC: Add WARN_RATELIMIT to bug.h (was: Re: [PATCH] sk-filter: Rate-limit WARNing, print dbg info.) Joe Perches
2011-05-21 17:48             ` [PATCH 0/2] Add and use WARN_RATELIMIT Joe Perches
2011-05-21 17:48               ` [PATCH 1/2] bug.h: Add WARN_RATELIMIT Joe Perches
2011-05-21 17:48               ` [PATCH 2/2] net: filter: Use WARN_RATELIMIT Joe Perches
2011-05-26 12:31                 ` [patch] net/core/filter.c: Fix build error Ingo Molnar
2011-05-26 15:31                   ` Joe Perches
2011-05-26 18:38                     ` David Miller
2011-05-26 18:57                       ` Randy Dunlap
2011-05-26 19:00                         ` David Miller
2011-05-26 19:07                       ` Joe Perches
2011-05-26 19:09                       ` Ingo Molnar
2011-05-26 19:12                         ` Ingo Molnar
2011-05-23 21:38               ` [PATCH 0/2] Add and use WARN_RATELIMIT David Miller

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