Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751733AbdFHFg0 (ORCPT ); Thu, 8 Jun 2017 01:36:26 -0400 Received: from mail-pf0-f195.google.com ([209.85.192.195]:34812 "EHLO mail-pf0-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750822AbdFHFgY (ORCPT ); Thu, 8 Jun 2017 01:36:24 -0400 Subject: Re: [PATCH] include/linux/vfio.h: Guard powerpc-specific functions with CONFIG_VFIO_SPAPR_EEH From: Alexey Kardashevskiy To: kbuild test robot , Murilo Opsfelder Araujo Cc: kbuild-all@01.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, Alex Williamson , Michael Ellerman , linuxppc-dev@lists.ozlabs.org References: <201706080005.vXjRK5G3%fengguang.wu@intel.com> Message-ID: <9abe6f3d-f5ce-2c95-6e1f-b3d4f8273054@ozlabs.ru> Date: Thu, 8 Jun 2017 15:36:18 +1000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.1.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=koi8-r Content-Language: en-AU Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4817 Lines: 96 On 08/06/17 15:35, Alexey Kardashevskiy wrote: > Hi, > > How did you manage to have CONFIG_EEH=y and CONFIG_VFIO_SPAPR_EEH=n? "make > oldconfig" fixes this to CONFIG_VFIO_SPAPR_EEH=y. Also, the attached config has "CONFIG_VFIO_SPAPR_EEH=m" and cannot produce the error below, what am I missing here? > > > > On 08/06/17 02:31, kbuild test robot wrote: >> Hi Murilo, >> >> [auto build test ERROR on linus/master] >> [also build test ERROR on v4.12-rc4 next-20170607] >> [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] >> >> url: https://github.com/0day-ci/linux/commits/Murilo-Opsfelder-Araujo/include-linux-vfio-h-Guard-powerpc-specific-functions-with-CONFIG_VFIO_SPAPR_EEH/20170607-000643 >> config: powerpc-allmodconfig (attached as .config) >> compiler: powerpc64-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705 >> reproduce: >> wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross >> chmod +x ~/bin/make.cross >> # save the attached .config to linux build tree >> make.cross ARCH=powerpc >> >> All errors (new ones prefixed by >>): >> >>>> drivers/vfio/vfio_spapr_eeh.c:22:6: error: redefinition of 'vfio_spapr_pci_eeh_open' >> void vfio_spapr_pci_eeh_open(struct pci_dev *pdev) >> ^~~~~~~~~~~~~~~~~~~~~~~ >> In file included from drivers/vfio/vfio_spapr_eeh.c:14:0: >> include/linux/vfio.h:160:20: note: previous definition of 'vfio_spapr_pci_eeh_open' was here >> static inline void vfio_spapr_pci_eeh_open(struct pci_dev *pdev) >> ^~~~~~~~~~~~~~~~~~~~~~~ >>>> drivers/vfio/vfio_spapr_eeh.c:28:6: error: redefinition of 'vfio_spapr_pci_eeh_release' >> void vfio_spapr_pci_eeh_release(struct pci_dev *pdev) >> ^~~~~~~~~~~~~~~~~~~~~~~~~~ >> In file included from drivers/vfio/vfio_spapr_eeh.c:14:0: >> include/linux/vfio.h:164:20: note: previous definition of 'vfio_spapr_pci_eeh_release' was here >> static inline void vfio_spapr_pci_eeh_release(struct pci_dev *pdev) >> ^~~~~~~~~~~~~~~~~~~~~~~~~~ >>>> drivers/vfio/vfio_spapr_eeh.c:34:6: error: redefinition of 'vfio_spapr_iommu_eeh_ioctl' >> long vfio_spapr_iommu_eeh_ioctl(struct iommu_group *group, >> ^~~~~~~~~~~~~~~~~~~~~~~~~~ >> In file included from drivers/vfio/vfio_spapr_eeh.c:14:0: >> include/linux/vfio.h:168:20: note: previous definition of 'vfio_spapr_iommu_eeh_ioctl' was here >> static inline long vfio_spapr_iommu_eeh_ioctl(struct iommu_group *group, >> ^~~~~~~~~~~~~~~~~~~~~~~~~~ >> >> vim +/vfio_spapr_pci_eeh_open +22 drivers/vfio/vfio_spapr_eeh.c >> >> 1b69be5e Gavin Shan 2014-06-10 16 >> 89a2edd6 Alexey Kardashevskiy 2014-08-08 17 #define DRIVER_VERSION "0.1" >> 89a2edd6 Alexey Kardashevskiy 2014-08-08 18 #define DRIVER_AUTHOR "Gavin Shan, IBM Corporation" >> 89a2edd6 Alexey Kardashevskiy 2014-08-08 19 #define DRIVER_DESC "VFIO IOMMU SPAPR EEH" >> 89a2edd6 Alexey Kardashevskiy 2014-08-08 20 >> 1b69be5e Gavin Shan 2014-06-10 21 /* We might build address mapping here for "fast" path later */ >> 9b936c96 Alexey Kardashevskiy 2014-08-08 @22 void vfio_spapr_pci_eeh_open(struct pci_dev *pdev) >> 1b69be5e Gavin Shan 2014-06-10 23 { >> 9b936c96 Alexey Kardashevskiy 2014-08-08 24 eeh_dev_open(pdev); >> 1b69be5e Gavin Shan 2014-06-10 25 } >> 92d18a68 Gavin Shan 2014-08-08 26 EXPORT_SYMBOL_GPL(vfio_spapr_pci_eeh_open); >> 1b69be5e Gavin Shan 2014-06-10 27 >> 1b69be5e Gavin Shan 2014-06-10 @28 void vfio_spapr_pci_eeh_release(struct pci_dev *pdev) >> 1b69be5e Gavin Shan 2014-06-10 29 { >> 1b69be5e Gavin Shan 2014-06-10 30 eeh_dev_release(pdev); >> 1b69be5e Gavin Shan 2014-06-10 31 } >> 92d18a68 Gavin Shan 2014-08-08 32 EXPORT_SYMBOL_GPL(vfio_spapr_pci_eeh_release); >> 1b69be5e Gavin Shan 2014-06-10 33 >> 1b69be5e Gavin Shan 2014-06-10 @34 long vfio_spapr_iommu_eeh_ioctl(struct iommu_group *group, >> 1b69be5e Gavin Shan 2014-06-10 35 unsigned int cmd, unsigned long arg) >> 1b69be5e Gavin Shan 2014-06-10 36 { >> 1b69be5e Gavin Shan 2014-06-10 37 struct eeh_pe *pe; >> >> :::::: The code at line 22 was first introduced by commit >> :::::: 9b936c960f22954bfb89f2fefd8f96916bb42908 drivers/vfio: Enable VFIO if EEH is not supported >> >> :::::: TO: Alexey Kardashevskiy >> :::::: CC: Alex Williamson >> >> --- >> 0-DAY kernel test infrastructure Open Source Technology Center >> https://lists.01.org/pipermail/kbuild-all Intel Corporation >> > > -- Alexey