Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262589AbVCaA6J (ORCPT ); Wed, 30 Mar 2005 19:58:09 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262677AbVCaA6J (ORCPT ); Wed, 30 Mar 2005 19:58:09 -0500 Received: from 17.red-62-57-106.user.auna.net ([62.57.106.17]:45256 "EHLO pau.newtral.org") by vger.kernel.org with ESMTP id S262589AbVCaA57 (ORCPT ); Wed, 30 Mar 2005 19:57:59 -0500 Date: Thu, 31 Mar 2005 02:57:57 +0200 (CEST) From: Pau Aliagas X-X-Sender: pau@pau.intranet.ct To: lkml Cc: "H. J. Lu" , Andi Kleen , binutils@sources.redhat.com Subject: Re: i386/x86_64 segment register issuses (Re: PATCH: Fix x86 segment register access) In-Reply-To: <20050331003437.GB19573@lucon.org> Message-ID: References: <20050326020506.GA8068@lucon.org> <20050327222406.GA6435@lucon.org> <20050330015312.GA27309@lucon.org> <20050330040017.GA29523@lucon.org> <20050330210801.GA15384@lucon.org> <20050331003437.GB19573@lucon.org> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 803 Lines: 24 On Wed, 30 Mar 2005, H. J. Lu wrote: >>> That is what the assembler generates, and should have generated, for >>> "movw %ds,(%eax)" since Nov. 4, 2004. >> >> Could this be the reason for the reported slowdown in the last six months? > > Can you elaborate? There's an unexplained slowdown of kernel 2.6 detailed in this thread: http://kerneltrap.org/node/4940 I don't want at all to justify it with the change you talk about in gas, but maybe it is worth to check if it has anything to do with it. The slowdown happened in this last six months. -- Pau - 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/