From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754571AbYDJEYG (ORCPT ); Thu, 10 Apr 2008 00:24:06 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751288AbYDJEXz (ORCPT ); Thu, 10 Apr 2008 00:23:55 -0400 Received: from fgwmail7.fujitsu.co.jp ([192.51.44.37]:53435 "EHLO fgwmail7.fujitsu.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750993AbYDJEXy (ORCPT ); Thu, 10 Apr 2008 00:23:54 -0400 Date: Thu, 10 Apr 2008 13:23:51 +0900 From: KOSAKI Motohiro To: Mathieu Desnoyers Subject: Re: [patch 00/17] Text Edit Lock and Immediate Values for 2.6.25-rc8-mm1 Cc: kosaki.motohiro@jp.fujitsu.com, akpm@linux-foundation.org, Ingo Molnar , linux-kernel@vger.kernel.org, Andi Kleen , Rusty Russell In-Reply-To: <20080409150829.855195878@polymtl.ca> References: <20080409150829.855195878@polymtl.ca> Message-Id: <20080410125210.231C.KOSAKI.MOTOHIRO@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-Mailer: Becky! ver. 2.42 [ja] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Mathieu > Here is the complete patchset required to get basic Immediate Values support > ported to 2.6.25-rc8-mm1. It provides the "simple", non nmi-safe version of > immediate values, which means that immediate values should not be used in code > paths reachable by NMI or MCE handlers. This version also uses > stop_machine_run() for immediate values updates, which is a very heavy lock. In > order to make incremental, easy to review, changes, I think we could start by > this "simple" version as a first step before we switch to the nmi-safe version > later. I think this patch is marker performance improvement infrastructure, right? if so, I will help debug and testing. at least, I like this patch series :)