Re: [kbuild-all] [PATCH] include/linux/vfio.h: Guard powerpc-specific functions with CONFIG_VFIO_SPAPR_EEH

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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@xxxxxxxxx>
>>> :::::: CC: Alex Williamson <alex.williamson@xxxxxxxxxx>
>>>
>>> ---
>>> 0-DAY kernel test infrastructure                Open Source Technology Center
>>> https://lists.01.org/pipermail/kbuild-all                   Intel Corporation
>>>
>> 
>> 
>
>
>-- 
>Alexey
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