From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751625AbWFLSOq (ORCPT ); Mon, 12 Jun 2006 14:14:46 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751534AbWFLSOq (ORCPT ); Mon, 12 Jun 2006 14:14:46 -0400 Received: from mustang.oldcity.dca.net ([216.158.38.3]:48556 "HELO mustang.oldcity.dca.net") by vger.kernel.org with SMTP id S1751622AbWFLSOp (ORCPT ); Mon, 12 Jun 2006 14:14:45 -0400 Subject: Re: broken local_t on i386 From: Lee Revell To: Andi Kleen Cc: Christoph Lameter , Ingo Molnar , Michal Piotrowski , Andrew Morton , linux-kernel@vger.kernel.org In-Reply-To: <200606121906.28692.ak@suse.de> References: <20060609214024.2f7dd72c.akpm@osdl.org> <200606121848.05438.ak@suse.de> <200606121906.28692.ak@suse.de> Content-Type: text/plain Date: Mon, 12 Jun 2006 14:14:42 -0400 Message-Id: <1150136082.3062.26.camel@mindpipe> Mime-Version: 1.0 X-Mailer: Evolution 2.6.1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 2006-06-12 at 19:06 +0200, Andi Kleen wrote: > Also on non preemptive kernels - which are the majority - it's a > single instruction on x86. I guess preempt users can live with a bit > more overhead ... I don't think that's the case anymore. Ubuntu is the #1 distro and the latest release ships with preemption enabled. Lee