Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964888AbWJDOKk (ORCPT ); Wed, 4 Oct 2006 10:10:40 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S964903AbWJDOKk (ORCPT ); Wed, 4 Oct 2006 10:10:40 -0400 Received: from mga07.intel.com ([143.182.124.22]:18066 "EHLO azsmga101.ch.intel.com") by vger.kernel.org with ESMTP id S964888AbWJDOKj (ORCPT ); Wed, 4 Oct 2006 10:10:39 -0400 X-ExtLoop1: 1 X-IronPort-AV: i="4.09,256,1157353200"; d="scan'208"; a="126809486:sNHT118982864" Subject: Re: [PATCH] Fix WARN_ON / WARN_ON_ONCE regression From: Tim Chen Reply-To: tim.c.chen@linux.intel.com To: Jeremy Fitzhardinge Cc: herbert@gondor.apana.org.au, akpm@osdl.org, linux-kernel@vger.kernel.org, leonid.i.ananiev@intel.com In-Reply-To: <45233B1E.3010100@goop.org> References: <1159916644.8035.35.camel@localhost.localdomain> <4522FB04.1080001@goop.org> <1159919263.8035.65.camel@localhost.localdomain> <45233B1E.3010100@goop.org> Content-Type: text/plain Organization: Intel Date: Wed, 04 Oct 2006 06:21:35 -0700 Message-Id: <1159968095.8035.76.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Evolution 2.0.2 (2.0.2-8) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 572 Lines: 16 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 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/