Received: by 2002:a25:ad19:0:0:0:0:0 with SMTP id y25csp1271571ybi; Sun, 30 Jun 2019 11:25:19 -0700 (PDT) X-Google-Smtp-Source: APXvYqx6gaBkOOF3AK+eIlfykPfXamFAc847TqTkK5BAoZwP6+78hePbmUltUsA9jHbBZjML6UpA X-Received: by 2002:a17:90a:2224:: with SMTP id c33mr26171645pje.22.1561919119642; Sun, 30 Jun 2019 11:25:19 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1561919119; cv=none; d=google.com; s=arc-20160816; b=YMwxGmWJtJQKYQiKhBx5jIz5ZjQL5cNF0BcgO9CH1elazSSLY6P0AU0oKQo6xKcSFt iS9vQ0zu8XWJk/zQlKQveDvURx0leTIONy05x1iaQQntHm53Ldb9PrlVG0f0IwK9NssI P4vzcJTdpkquFnh94zYsi8efLMSCjkwy/0jLVlwLu46MI0b3cs9pEDS5XAV9zhvDgn5v VS+XmVXFW9DKcjrAkI/u/kTdhcvN+uwQS1+MmIpNnUbRWtPiwt/IdYOLlPfIoZ545TXK qxcK/jZJ38jkJ22SjUWaYAiTETnKryMT36PE9D1DUCec1sS8TeM+7CdRgbN2vFHQSRgg pYSQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:user-agent:references :message-id:in-reply-to:subject:cc:to:from:date; bh=ljtDgmUKvB45XLAI1NTp3X/O0t6BAP55+e2cRjyjinU=; b=a7EVpOXz/ENmz7dJGoy2ZijQuP1jVCfo8Yh4togX51puPTHj2K9S08DFB97FZKBDcA LSVp9A0JxeQDShJMGcFaotUTUSwo3DPmSpAP/ubH8zEHpm1vc2ToiSf9mzVwNKGN7sUU Bxp9UaUbDH/CXDYMqkPRHWIYjoy20qn39Nx4iskQ5bOThGl/ob5ubiEsp6LKTeBArodK vS1cN+5WK9ba6JcdVQHl38ET19siaX04cQXDWkbW5EtI4vgLoe4diyq5GQGupg+3qsY/ m/YAl+GN3BJOgfWZqNlElN0Dj73gqJrdH29nWq8TWSNRyb4k/7K8HE6f3ByW7USYt77G +kUA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id j62si8992752pfb.272.2019.06.30.11.25.03; Sun, 30 Jun 2019 11:25:19 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726734AbfF3SWI (ORCPT + 99 others); Sun, 30 Jun 2019 14:22:08 -0400 Received: from Galois.linutronix.de ([193.142.43.55]:39215 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726572AbfF3SWI (ORCPT ); Sun, 30 Jun 2019 14:22:08 -0400 Received: from pd9ef1cb8.dip0.t-ipconnect.de ([217.239.28.184] helo=nanos) by Galois.linutronix.de with esmtpsa (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1hheSc-0005rI-Ro; Sun, 30 Jun 2019 20:21:59 +0200 Date: Sun, 30 Jun 2019 20:21:57 +0200 (CEST) From: Thomas Gleixner To: Feng Tang 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 In-Reply-To: <20190630130347.GB93752@shbuild999.sh.intel.com> Message-ID: References: <20190620021856.GP7221@shao2-debian> <58ea508f-dc2e-8537-fe96-49cca0a7c799@intel.com> <20190628063231.GA7766@shbuild999.sh.intel.com> <20190630130347.GB93752@shbuild999.sh.intel.com> User-Agent: Alpine 2.21 (DEB 202 2017-01-01) 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 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, 30 Jun 2019, Feng Tang wrote: > 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. Yes, but it will be zapped there as well. Thanks, tglx