linux-kernel - Re: [PATCH] Fix WARN_ON / WARN_ON

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Message-Id: <1159968095.8035.76.camel@localhost.localdomain>
Date:	Wed, 04 Oct 2006 06:21:35 -0700
From:	Tim Chen <tim.c.chen@...ux.intel.com>
To:	Jeremy Fitzhardinge <jeremy@...p.org>
Cc:	herbert@...dor.apana.org.au, akpm@...l.org,
	linux-kernel@...r.kernel.org, leonid.i.ananiev@...el.com
Subject: Re: [PATCH] Fix WARN_ON / WARN_ON_ONCE regression

On Tue, 2006-10-03 at 21:39 -0700, Jeremy Fitzhardinge wrote:

> 
> I don't think you've proved your case here.  Do you *know* there are 
> extra cache misses (ie, measuring them), or is it just your theory to 
> explain a performance regression?
> 

I have measured the cache miss with tool.  So it is not just my theory.

Tim
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