From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753392AbcADKAo (ORCPT ); Mon, 4 Jan 2016 05:00:44 -0500 Received: from mail-wm0-f52.google.com ([74.125.82.52]:37066 "EHLO mail-wm0-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753136AbcADKAj (ORCPT ); Mon, 4 Jan 2016 05:00:39 -0500 Subject: Re: [PATCH 4.4-rc5 v22 4/4] ARM: Allow IPI_CPU_BACKTRACE to exploit FIQ To: kbuild test robot References: <201512210618.hMZqsBKl%fengguang.wu@intel.com> Cc: kbuild-all@01.org, Thomas Gleixner , Jason Cooper , Russell King , Marc Zyngier , Will Deacon , Catalin Marinas , Stephen Boyd , John Stultz , Steven Rostedt , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, patches@linaro.org, linaro-kernel@lists.linaro.org, Sumit Semwal , Dirk Behme , Daniel Drake , Dmitry Pervushin , Tim Sander , Petr Mladek From: Daniel Thompson Message-ID: <568A42C4.4050106@linaro.org> Date: Mon, 4 Jan 2016 10:00:36 +0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.4.0 MIME-Version: 1.0 In-Reply-To: <201512210618.hMZqsBKl%fengguang.wu@intel.com> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 20/12/15 22:12, kbuild test robot wrote: > Hi Daniel, > > [auto build test ERROR on v4.4-rc5] > [also build test ERROR on next-20151218] > [cannot apply to tip/irq/core] > > url: https://github.com/0day-ci/linux/commits/Daniel-Thompson/irq-arm-Use-FIQ-for-NMI-backtrace-when-possible/20151221-045854 > config: arm-iop-adma (attached as .config) > reproduce: > wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > # save the attached .config to linux build tree > make.cross ARCH=arm > > All errors (new ones prefixed by >>): > > arch/arm/kernel/traps.c: In function 'handle_fiq_as_nmi': >>> arch/arm/kernel/traps.c:489:2: error: implicit declaration of function 'handle_arch_irq' [-Werror=implicit-function-declaration] > handle_arch_irq(regs); > ^ > cc1: some warnings being treated as errors Thanks. I'll look at this. > vim +/handle_arch_irq +489 arch/arm/kernel/traps.c > > 483 * Either the interrupt controller supports FIQ, meaning it will > 484 * do the right thing with this call, or we will end up treating a > 485 * spurious FIQ (which is normally fatal) as though it were an IRQ > 486 * which, although it risks deadlock, still gives us a sporting > 487 * chance of surviving long enough to log errors. > 488 */ > > 489 handle_arch_irq(regs); > 490 > 491 nmi_exit(); > 492 > > --- > 0-DAY kernel test infrastructure Open Source Technology Center > https://lists.01.org/pipermail/kbuild-all Intel Corporation > From mboxrd@z Thu Jan 1 00:00:00 1970 From: daniel.thompson@linaro.org (Daniel Thompson) Date: Mon, 4 Jan 2016 10:00:36 +0000 Subject: [PATCH 4.4-rc5 v22 4/4] ARM: Allow IPI_CPU_BACKTRACE to exploit FIQ In-Reply-To: <201512210618.hMZqsBKl%fengguang.wu@intel.com> References: <201512210618.hMZqsBKl%fengguang.wu@intel.com> Message-ID: <568A42C4.4050106@linaro.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 20/12/15 22:12, kbuild test robot wrote: > Hi Daniel, > > [auto build test ERROR on v4.4-rc5] > [also build test ERROR on next-20151218] > [cannot apply to tip/irq/core] > > url: https://github.com/0day-ci/linux/commits/Daniel-Thompson/irq-arm-Use-FIQ-for-NMI-backtrace-when-possible/20151221-045854 > config: arm-iop-adma (attached as .config) > reproduce: > wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > # save the attached .config to linux build tree > make.cross ARCH=arm > > All errors (new ones prefixed by >>): > > arch/arm/kernel/traps.c: In function 'handle_fiq_as_nmi': >>> arch/arm/kernel/traps.c:489:2: error: implicit declaration of function 'handle_arch_irq' [-Werror=implicit-function-declaration] > handle_arch_irq(regs); > ^ > cc1: some warnings being treated as errors Thanks. I'll look at this. > vim +/handle_arch_irq +489 arch/arm/kernel/traps.c > > 483 * Either the interrupt controller supports FIQ, meaning it will > 484 * do the right thing with this call, or we will end up treating a > 485 * spurious FIQ (which is normally fatal) as though it were an IRQ > 486 * which, although it risks deadlock, still gives us a sporting > 487 * chance of surviving long enough to log errors. > 488 */ > > 489 handle_arch_irq(regs); > 490 > 491 nmi_exit(); > 492 > > --- > 0-DAY kernel test infrastructure Open Source Technology Center > https://lists.01.org/pipermail/kbuild-all Intel Corporation >