Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S267856AbUIMRaM (ORCPT ); Mon, 13 Sep 2004 13:30:12 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S268733AbUIMR2J (ORCPT ); Mon, 13 Sep 2004 13:28:09 -0400 Received: from scrub.xs4all.nl ([194.109.195.176]:45037 "EHLO scrub.xs4all.nl") by vger.kernel.org with ESMTP id S268346AbUIMR1H (ORCPT ); Mon, 13 Sep 2004 13:27:07 -0400 Date: Mon, 13 Sep 2004 19:26:57 +0200 (CEST) From: Roman Zippel X-X-Sender: roman@scrub.home To: Martin Schwidefsky cc: hugh@veritas.com, zam@namesys.com, pj@sgi.com, wli@holomorphy.com, reiser@namesys.com, linux-kernel@vger.kernel.org, akpm@osdl.org Subject: Re: 2.6.9-rc1-mm4 sparc reiser4 build broken - undefined atomic_sub_and_test In-Reply-To: <20040913171435.GA3566@mschwid3.boeblingen.de.ibm.com> Message-ID: References: <20040913171435.GA3566@mschwid3.boeblingen.de.ibm.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 593 Lines: 17 Hi, On Mon, 13 Sep 2004, Martin Schwidefsky wrote: > Well, adding the missing s390 atomic operations is easy (see patch). > But I really doubt that it will make a measurable difference in > performance on ANY architecture. On some archs atomic_sub_return is more complex than atomic_sub_and_test and there it does make a difference. bye, Roman - 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/