From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from 173-166-109-252-newengland.hfc.comcastbusiness.net ([173.166.109.252]:40734 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758291Ab3DBLAo (ORCPT ); Tue, 2 Apr 2013 07:00:44 -0400 Received: from dhcp-089-099-019-018.chello.nl ([89.99.19.18] helo=dyad.programming.kicks-ass.net) by bombadil.infradead.org with esmtpsa (Exim 4.80.1 #2 (Red Hat Linux)) id 1UMyxH-00067f-BJ for linux-media@vger.kernel.org; Tue, 02 Apr 2013 11:00:43 +0000 Message-ID: <1364900432.18374.24.camel@laptop> Subject: Re: [PATCH v2 2/3] mutex: add support for reservation style locks, v2 From: Peter Zijlstra To: Maarten Lankhorst Cc: linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, daniel.vetter@ffwll.ch, x86@kernel.org, dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org, robclark@gmail.com, tglx@linutronix.de, mingo@elte.hu, linux-media@vger.kernel.org Date: Tue, 02 Apr 2013 13:00:32 +0200 In-Reply-To: <20130228102502.15191.14146.stgit@patser> References: <20130228102452.15191.22673.stgit@patser> <20130228102502.15191.14146.stgit@patser> Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-media-owner@vger.kernel.org List-ID: On Thu, 2013-02-28 at 11:25 +0100, Maarten Lankhorst wrote: > +Reservation type mutexes > +struct ticket_mutex { > +extern int __must_check _mutex_reserve_lock(struct ticket_mutex *lock, That's two different names and two different forms of one (for a total of 3 variants) for the same scheme. FAIL... Also, is there anything in CS literature that comes close to this? I'd think the DBMS people would have something similar with their transactional systems. What do they call it?