Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753052AbaB1V1I (ORCPT ); Fri, 28 Feb 2014 16:27:08 -0500 Received: from merlin.infradead.org ([205.233.59.134]:43295 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752140AbaB1V1F (ORCPT ); Fri, 28 Feb 2014 16:27:05 -0500 Date: Fri, 28 Feb 2014 22:27:00 +0100 From: Peter Zijlstra To: "Paul E. McKenney" Cc: Steven Rostedt , Vince Weaver , "H. Peter Anvin" , Linux Kernel , Ingo Molnar Subject: Re: perf_fuzzer compiled for x32 causes reboot Message-ID: <20140228212700.GH14089@laptop.programming.kicks-ass.net> References: <20140227173150.4e5ed747@gandalf.local.home> <530FC1C6.5040209@zytor.com> <20140227183008.6be081b7@gandalf.local.home> <530FCE6C.4080808@zytor.com> <20140228203405.GH11910@linux.vnet.ibm.com> <20140228154716.0198d7cb@gandalf.local.home> <20140228205409.GB14089@laptop.programming.kicks-ass.net> <20140228211733.GK11910@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140228211733.GK11910@linux.vnet.ibm.com> User-Agent: Mutt/1.5.21 (2012-12-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Feb 28, 2014 at 01:17:33PM -0800, Paul E. McKenney wrote: > This code isn't running in idle context is it? If so, RCU will happily > free out from under it. CONFIG_PROVE_RCU should detect this sort of thing, > though. Well, interrupts/NMIs can happen when idle, but the interrupt/NMI entry code deals with the idle state AFAIK. -- 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/