From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752206AbdJ3IjK (ORCPT ); Mon, 30 Oct 2017 04:39:10 -0400 Received: from mga01.intel.com ([192.55.52.88]:27353 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751374AbdJ3IjI (ORCPT ); Mon, 30 Oct 2017 04:39:08 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.44,319,1505804400"; d="scan'208";a="1031083907" Date: Mon, 30 Oct 2017 09:38:35 +0100 From: Fengguang Wu To: Juergen Gross Cc: Linux Kernel Mailing List , Linus Torvalds , Peter Zijlstra , Waiman Long , Thomas Gleixner , akataria@vmware.com, boris.ostrovsky@oracle.com, chrisw@sous-sol.org, hpa@zytor.com, jeremy@goop.org, rusty@rustcorp.com.au, virtualization@lists.linux-foundation.org, xen-devel@lists.xenproject.org Subject: Re: [locking/paravirt] static_key_disable_cpuslocked(): static key 'virt_spin_lock_key+0x0/0x20' used before call to jump_label_init() Message-ID: <20171030083835.kirbygtl3qneg6ab@wfg-t540p.sh.intel.com> References: <20171029225155.qcum5i75awrt5tzm@wfg-t540p.sh.intel.com> <20171030073509.23xtazsqrjuduqq5@wfg-t540p.sh.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: User-Agent: NeoMutt/20170609 (1.8.3) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Oct 30, 2017 at 08:47:08AM +0100, Juergen Gross wrote: >On 30/10/17 08:35, Fengguang Wu wrote: >> On Sun, Oct 29, 2017 at 11:51:55PM +0100, Fengguang Wu wrote: >>> Hi Linus, >>> >>> Up to now we see the below boot error/warnings when testing v4.14-rc6. >>> >>> They hit the RC release mainly due to various imperfections in 0day's >>> auto bisection. So I manually list them here and CC the likely easy to >>> debug ones to the corresponding maintainers in the followup emails. >>> >>> boot_successes: 4700 >>> boot_failures: 247 >> >> [...] >> >>> WARNING:at_kernel/jump_label.c:#static_key_disable_cpuslocked: 7 > >This patch is in the tip tree only, it will be merged in 4.15. So I >don't understand why you are reporting this for 4.14-rc6. Ah sorry, I simply checked recent bisects for that warning. Then I'll need to carry out some new bisect on 4.14-rc6. >There is a patch by Dou Liyang pending since 28th October addressing >that issue: > >[PATCH tip v2] x86/paravirt: Make the virt_spin_lock_key setup after >jump_label_init() Excellent! Thanks, Fengguang From mboxrd@z Thu Jan 1 00:00:00 1970 From: Fengguang Wu Subject: Re: [locking/paravirt] static_key_disable_cpuslocked(): static key 'virt_spin_lock_key+0x0/0x20' used before call to jump_label_init() Date: Mon, 30 Oct 2017 09:38:35 +0100 Message-ID: <20171030083835.kirbygtl3qneg6ab@wfg-t540p.sh.intel.com> References: <20171029225155.qcum5i75awrt5tzm@wfg-t540p.sh.intel.com> <20171030073509.23xtazsqrjuduqq5@wfg-t540p.sh.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: virtualization-bounces@lists.linux-foundation.org Errors-To: virtualization-bounces@lists.linux-foundation.org To: Juergen Gross Cc: boris.ostrovsky@oracle.com, jeremy@goop.org, xen-devel@lists.xenproject.org, Peter Zijlstra , rusty@rustcorp.com.au, Linux Kernel Mailing List , virtualization@lists.linux-foundation.org, chrisw@sous-sol.org, hpa@zytor.com, Waiman Long , Thomas Gleixner , Linus Torvalds , akataria@vmware.com List-Id: virtualization@lists.linuxfoundation.org On Mon, Oct 30, 2017 at 08:47:08AM +0100, Juergen Gross wrote: >On 30/10/17 08:35, Fengguang Wu wrote: >> On Sun, Oct 29, 2017 at 11:51:55PM +0100, Fengguang Wu wrote: >>> Hi Linus, >>> >>> Up to now we see the below boot error/warnings when testing v4.14-rc6. >>> >>> They hit the RC release mainly due to various imperfections in 0day's >>> auto bisection. So I manually list them here and CC the likely easy to >>> debug ones to the corresponding maintainers in the followup emails. >>> >>> boot_successes: 4700 >>> boot_failures: 247 >> >> [...] >> >>> WARNING:at_kernel/jump_label.c:#static_key_disable_cpuslocked: 7 > >This patch is in the tip tree only, it will be merged in 4.15. So I >don't understand why you are reporting this for 4.14-rc6. Ah sorry, I simply checked recent bisects for that warning. Then I'll need to carry out some new bisect on 4.14-rc6. >There is a patch by Dou Liyang pending since 28th October addressing >that issue: > >[PATCH tip v2] x86/paravirt: Make the virt_spin_lock_key setup after >jump_label_init() Excellent! Thanks, Fengguang