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Date: Tue, 13 Jun 2017 16:36:29 +0800
From: Ye Xiaolong <xiaolong.ye@...el.com>
To: Alexey Kardashevskiy <aik@...abs.ru>
Cc: kbuild test robot <lkp@...el.com>,
Murilo Opsfelder Araujo <mopsfelder@...il.com>,
kvm@...r.kernel.org, Michael Ellerman <mpe@...erman.id.au>,
linux-kernel@...r.kernel.org,
Alex Williamson <alex.williamson@...hat.com>,
kbuild-all@...org, linuxppc-dev@...ts.ozlabs.org
Subject: Re: [kbuild-all] [PATCH] include/linux/vfio.h: Guard
powerpc-specific functions with CONFIG_VFIO_SPAPR_EEH
On 06/08, Alexey Kardashevskiy wrote:
>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?
Sorry for the late, I can reproduce below error by following below steps with
attached config in original report:
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
What's your steps?
Thanks,
Xiaolong
>
>
>
>>
>>
>>
>> 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 <aik@...abs.ru>
>>> :::::: CC: Alex Williamson <alex.williamson@...hat.com>
>>>
>>> ---
>>> 0-DAY kernel test infrastructure Open Source Technology Center
>>> https://lists.01.org/pipermail/kbuild-all Intel Corporation
>>>
>>
>>
>
>
>--
>Alexey
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