From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755367AbaE1U21 (ORCPT ); Wed, 28 May 2014 16:28:27 -0400 Received: from www.linutronix.de ([62.245.132.108]:40188 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751339AbaE1U20 (ORCPT ); Wed, 28 May 2014 16:28:26 -0400 Date: Wed, 28 May 2014 22:28:23 +0200 (CEST) From: Thomas Gleixner To: Peter Zijlstra cc: LKML , Ingo Molnar , Steven Rostedt , Lai Jiangshan Subject: Re: [patch 4/6] rtmutex: Confine deadlock logic to futex In-Reply-To: <20140522071039.GO30445@twins.programming.kicks-ass.net> Message-ID: References: <20140522031841.797415507@linutronix.de> <20140522031950.044848781@linutronix.de> <20140522071039.GO30445@twins.programming.kicks-ass.net> User-Agent: Alpine 2.10 (DEB 1266 2009-07-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 22 May 2014, Peter Zijlstra wrote: > On Thu, May 22, 2014 at 03:25:50AM -0000, Thomas Gleixner wrote: > > The builtin tester is gone,, so the deadlock logic is now only > > required for futexes. > > > > Remove the extra arguments for the public functions and also for the > > futex specific ones which get always called with deadlock detection > > enabled. > > This reminds me, the raw rt_mutex primitives have no lockdep support, > and we've grown a few users in-tree. We should fix that. It shouldn't be that hard. We just need to exclude the futex mess ... Thanks, tglx