From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754838AbYIFRxY (ORCPT ); Sat, 6 Sep 2008 13:53:24 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752658AbYIFRxQ (ORCPT ); Sat, 6 Sep 2008 13:53:16 -0400 Received: from mx3.mail.elte.hu ([157.181.1.138]:44921 "EHLO mx3.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752511AbYIFRxP (ORCPT ); Sat, 6 Sep 2008 13:53:15 -0400 Date: Sat, 6 Sep 2008 19:52:55 +0200 From: Ingo Molnar To: Jan Beulich Cc: tglx@linutronix.de, hpa@zytor.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH] x86-64: slightly stream-line 32-bit syscall entry code Message-ID: <20080906175255.GW4856@elte.hu> References: <48B805D7.76E4.0078.0@novell.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <48B805D7.76E4.0078.0@novell.com> User-Agent: Mutt/1.5.18 (2008-05-17) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -1.1 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.1 required=5.9 tests=BAYES_05 autolearn=no SpamAssassin version=3.2.3 -1.1 BAYES_05 BODY: Bayesian spam probability is 1 to 5% [score: 0.0107] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Jan Beulich wrote: > Avoid updating registers or memory twice as well as needlessly loading > or copying registers. applied to tip/x86/core, thanks Jan - this should give a small speedup too. Ingo