From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752088AbaENUDO (ORCPT ); Wed, 14 May 2014 16:03:14 -0400 Received: from www.linutronix.de ([62.245.132.108]:47697 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751118AbaENUDN (ORCPT ); Wed, 14 May 2014 16:03:13 -0400 Message-Id: <20140514195705.618583609@linutronix.de> User-Agent: quilt/0.60-1 Date: Wed, 14 May 2014 20:03:26 -0000 From: Thomas Gleixner To: LKML Cc: Steven Rostedt , Lai Jiangshan , Peter Zijlstra , Ingo Molnar Subject: [patch 0/2] rtmutex: Fix the deadlock detector for real 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 Lai pointed out that the chain walk is incomplete aside of not detecting even the simple AA deadlock. The following series contains: 1) The fix for this, which replaces the hot fix I send out earlier 2) An optimization to avoid pointless de/enqueue operations in the deadlock chain walk Thanks, tglx