Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262624AbVBYF7O (ORCPT ); Fri, 25 Feb 2005 00:59:14 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262625AbVBYF7O (ORCPT ); Fri, 25 Feb 2005 00:59:14 -0500 Received: from bay-bridge.veritas.com ([143.127.3.10]:11927 "EHLO MTVMIME01.enterprise.veritas.com") by vger.kernel.org with ESMTP id S262624AbVBYF7L (ORCPT ); Fri, 25 Feb 2005 00:59:11 -0500 Date: Fri, 25 Feb 2005 05:58:19 +0000 (GMT) From: Hugh Dickins X-X-Sender: hugh@goblin.wat.veritas.com To: Lee Revell cc: Ingo Molnar , Nick Piggin , Andrew Morton , linux-kernel Subject: Re: More latency regressions with 2.6.11-rc4-RT-V0.7.39-02 In-Reply-To: <1109302249.7807.1.camel@krustophenia.net> Message-ID: References: <1109182061.16201.6.camel@krustophenia.net> <1109187381.3174.5.camel@krustophenia.net> <1109196824.4009.1.camel@krustophenia.net> <1109226724.4957.16.camel@krustophenia.net> <1109302249.7807.1.camel@krustophenia.net> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 884 Lines: 20 On Thu, 24 Feb 2005, Lee Revell wrote: > On Thu, 2005-02-24 at 08:26 +0000, Hugh Dickins wrote: > > > > If we'd got to it earlier, yes. But 2.6.11 looks to be just a day or > > two away, and we've no idea why zap_pte_range or clear_page_range > > would have reverted. Nor have we heard from Ingo yet. > > It's also not clear that the patch completely fixes the copy_pte_range > latency. This trace is from the Athlon XP. Then we need Ingo to investigate and explain all these reversions. I'm not _blaming_ Ingo for them, but I'm not familiar with his patches nor with deciphering latency traces - he's the magician around here. Hugh - 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/