From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030349AbWFCA1x (ORCPT ); Fri, 2 Jun 2006 20:27:53 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932590AbWFCA1x (ORCPT ); Fri, 2 Jun 2006 20:27:53 -0400 Received: from mail07.syd.optusnet.com.au ([211.29.132.188]:31935 "EHLO mail07.syd.optusnet.com.au") by vger.kernel.org with ESMTP id S932589AbWFCA1w (ORCPT ); Fri, 2 Jun 2006 20:27:52 -0400 From: Con Kolivas To: "Chen, Kenneth W" Subject: Re: [PATCH RFC] smt nice introduces significant lock contention Date: Sat, 3 Jun 2006 10:27:30 +1000 User-Agent: KMail/1.9.3 Cc: "'Nick Piggin'" , linux-kernel@vger.kernel.org, "'Chris Mason'" , "Ingo Molnar" References: <000601c686a1$de148060$df34030a@amr.corp.intel.com> In-Reply-To: <000601c686a1$de148060$df34030a@amr.corp.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200606031027.30538.kernel@kolivas.org> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Saturday 03 June 2006 10:08, Chen, Kenneth W wrote: > I know what smt nice is doing, and it is fine to have. I'm simply > proposing the following patch, on top of last roll up patch. It's still relative breakage of the semantics but I'm willing to concede that it will only help a very small proportion of the time with the largest timeslices and is in the fastpath. -- -ck