Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030213AbVLVPlU (ORCPT ); Thu, 22 Dec 2005 10:41:20 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1030216AbVLVPlT (ORCPT ); Thu, 22 Dec 2005 10:41:19 -0500 Received: from mx3.mail.elte.hu ([157.181.1.138]:33177 "EHLO mx3.mail.elte.hu") by vger.kernel.org with ESMTP id S1030213AbVLVPkz (ORCPT ); Thu, 22 Dec 2005 10:40:55 -0500 Date: Thu, 22 Dec 2005 16:40:12 +0100 From: Ingo Molnar To: Nicolas Pitre Cc: Christoph Hellwig , lkml , Linus Torvalds , Andrew Morton , Arjan van de Ven , Jes Sorensen , Zwane Mwaikambo , Oleg Nesterov , David Howells , Alan Cox , Benjamin LaHaise , Steven Rostedt , Andi Kleen , Russell King Subject: Re: [patch 0/9] mutex subsystem, -V4 Message-ID: <20051222154012.GA6284@elte.hu> References: <20051222114147.GA18878@elte.hu> <20051222115329.GA30964@infradead.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.2.1i X-ELTE-SpamScore: 0.0 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=0.0 required=5.9 tests=AWL autolearn=no SpamAssassin version=3.0.3 0.0 AWL AWL: From: address is in the auto white-list X-ELTE-VirusStatus: clean Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 600 Lines: 16 * Nicolas Pitre wrote: > [...] on ARMv6 at least this can be improved even further, but a > special implementation which is neither a fully qualified atomic > decrement nor an atomic swap is needed. [...] i'm curious, how would this ARMv6 solution look like, and what would be the advantages over the atomic swap based variant? Ingo - 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/