From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S271027AbUJUWqY (ORCPT ); Thu, 21 Oct 2004 18:46:24 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S271030AbUJUWcH (ORCPT ); Thu, 21 Oct 2004 18:32:07 -0400 Received: from host-65-117-135-105.timesys.com ([65.117.135.105]:13528 "EHLO yoda.timesys") by vger.kernel.org with ESMTP id S271027AbUJUWag (ORCPT ); Thu, 21 Oct 2004 18:30:36 -0400 Date: Thu, 21 Oct 2004 18:30:03 -0400 To: john cooper Cc: Scott Wood , "Eugeny S. Mints" , Esben Nielsen , Ingo Molnar , Thomas Gleixner , Jens Axboe , Rui Nuno Capela , LKML , Lee Revell , mark_h_johnson@raytheon.com, "K.R. Foley" , Bill Huey , Adam Heath , Florian Schmidt , Michal Schmidt , Fernando Pablo Lopez-Lezcano Subject: Re: [patch] Real-Time Preemption, -RT-2.6.9-rc4-mm1-U8 Message-ID: <20041021223003.GA28704@yoda.timesys> References: <4177CD3C.9020201@timesys.com> <4177DA11.4090902@ru.mvista.com> <4177E89A.1090100@timesys.com> <20041021173302.GA26318@yoda.timesys> <4177FB4F.9030202@timesys.com> <20041021184742.GB26530@yoda.timesys> <41781984.5090602@timesys.com> <20041021211244.GA28290@yoda.timesys> <417834E4.7000506@timesys.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <417834E4.7000506@timesys.com> User-Agent: Mutt/1.5.4i From: Scott Wood Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Oct 21, 2004 at 06:15:00PM -0400, john cooper wrote: > Yes, but my concern was having to backoff in out-of-sequence > spinlock acquisition paths. Out-of-sequence acquisition is a bug, unless the caller uses trylocks and handles backoff itself. -Scott