Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264246AbUIOKCx (ORCPT ); Wed, 15 Sep 2004 06:02:53 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264386AbUIOKCx (ORCPT ); Wed, 15 Sep 2004 06:02:53 -0400 Received: from holomorphy.com ([207.189.100.168]:46234 "EHLO holomorphy.com") by vger.kernel.org with ESMTP id S264246AbUIOKCk (ORCPT ); Wed, 15 Sep 2004 06:02:40 -0400 Date: Wed, 15 Sep 2004 02:57:23 -0700 From: William Lee Irwin III To: Ingo Molnar Cc: Lee Revell , Andrea Arcangeli , Nick Piggin , Andrew Morton , linux-kernel Subject: Re: [patch] sched: fix scheduling latencies for !PREEMPT kernels Message-ID: <20040915095723.GK9106@holomorphy.com> References: <20040914114228.GD2804@elte.hu> <4146EA3E.4010804@yahoo.com.au> <20040914132225.GA9310@elte.hu> <4146F33C.9030504@yahoo.com.au> <20040914140905.GM4180@dualathlon.random> <41470021.1030205@yahoo.com.au> <20040914150316.GN4180@dualathlon.random> <1095210126.2406.70.camel@krustophenia.net> <20040915013925.GF9106@holomorphy.com> <20040915095614.GB1629@elte.hu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20040915095614.GB1629@elte.hu> Organization: The Domain of Holomorphy User-Agent: Mutt/1.5.6+20040722i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1102 Lines: 24 * William Lee Irwin III wrote: >> The code we're most worried is buggy, not just nonperformant. On Wed, Sep 15, 2004 at 11:56:14AM +0200, Ingo Molnar wrote: > what code do you mean? The one i know about and which Lee is referring > to above is the 6-lines tty unlocking change - the one which Alan > objected to rightfully. I've zapped it from my tree. > (nobody objected to the original thread on lkml weeks ago where the tty > unlocking change was proposed, implemented, alpha-tested and beta-tested > in -mm for several releases - that's why it showed up in my 20+ > latency-reduction patches.) > No latency changes to the tty layer until someone fixes its locking. End > of story. I had the buggy code being associated with BKL use in mind as a motive for the BKL sweeps etc., and wasn't referring to any pending changes. -- wli - 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/