From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6E713C5B57E for ; Sun, 30 Jun 2019 13:06:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 406B420665 for ; Sun, 30 Jun 2019 13:06:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726572AbfF3NDr (ORCPT ); Sun, 30 Jun 2019 09:03:47 -0400 Received: from mga09.intel.com ([134.134.136.24]:23627 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726500AbfF3NDq (ORCPT ); Sun, 30 Jun 2019 09:03:46 -0400 X-Amp-Result: UNSCANNABLE X-Amp-File-Uploaded: False Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by orsmga102.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 30 Jun 2019 06:03:45 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.63,434,1557212400"; d="scan'208";a="165096721" Received: from shbuild999.sh.intel.com (HELO localhost) ([10.239.147.113]) by fmsmga007.fm.intel.com with ESMTP; 30 Jun 2019 06:03:43 -0700 Date: Sun, 30 Jun 2019 21:03:47 +0800 From: Feng Tang To: Thomas Gleixner Cc: "Chen, Rong A" , "tipbuild@zytor.com" , Ingo Molnar , "lkp@01.org" , LKML , "H. Peter Anvin" , x86@kernel.org Subject: Re: [LKP] [x86/hotplug] e1056a25da: WARNING:at_arch/x86/kernel/apic/apic.c:#setup_local_APIC Message-ID: <20190630130347.GB93752@shbuild999.sh.intel.com> References: <20190620021856.GP7221@shao2-debian> <58ea508f-dc2e-8537-fe96-49cca0a7c799@intel.com> <20190628063231.GA7766@shbuild999.sh.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Thomas, On Sun, Jun 30, 2019 at 01:35:39PM +0200, Thomas Gleixner wrote: > On Sat, 29 Jun 2019, Thomas Gleixner wrote: > > On Fri, 28 Jun 2019, Thomas Gleixner wrote: > > > On Fri, 28 Jun 2019, Feng Tang wrote: > > > That function just 'works' by chance not by design. I'll stare into it and > > > fix it up for real. > > > > > > Thank you very much for that information. Your debug was spot on! > > > > I rewrote that function so it actually handles that case correctly along > > with some other things which were broken and force pushed the WIP.x86/ipi > > branch. > > > > Can you please run exactly that test again against that new version and > > verify that this is fixed now? > > Just found another issue with that thing. Don't waste your time on it. I'll > come back to you when I'm done. Ok. I noticed that the ipi branch has been merged to tip/master. Thanks, Feng > > Thanks, > > tglx