From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756413Ab2BBOLI (ORCPT ); Thu, 2 Feb 2012 09:11:08 -0500 Received: from terminus.zytor.com ([198.137.202.10]:49032 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756094Ab2BBOLG (ORCPT ); Thu, 2 Feb 2012 09:11:06 -0500 Message-ID: <4F2A9960.2090500@zytor.com> Date: Thu, 02 Feb 2012 06:10:40 -0800 From: "H. Peter Anvin" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:9.0) Gecko/20111222 Thunderbird/9.0 MIME-Version: 1.0 To: Ingo Molnar CC: Steven Rostedt , linux-kernel@vger.kernel.org, Andrew Morton , Jason Baron , Frederic Weisbecker Subject: Re: [PATCH 0/5 v2] [GIT PULL] x86/jump label: Paranoid checks and 2 or 5 byte nops References: <20120128160925.275163704@goodmis.org> <20120130144857.GA22013@elte.hu> <1327936060.22710.165.camel@gandalf.stny.rr.com> <20120131194813.GA12074@elte.hu> <1328072925.5882.57.camel@gandalf.stny.rr.com> <20120201080539.GA11770@elte.hu> <1328109697.5882.65.camel@gandalf.stny.rr.com> <20120202135154.GA10315@elte.hu> In-Reply-To: <20120202135154.GA10315@elte.hu> X-Enigmail-Version: 1.3.4 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 02/02/2012 05:51 AM, Ingo Molnar wrote: > [ 0.000000] Unexpected op at enqueue_task_fair+0xab/0x1fb [ffffffff81078a8d] (0f 1f 44 00 00) arch/x86/kernel/jump_label.c:74 So this is presumably the expected NOP... what was it expecting instead? -hpa -- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf.