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SubjectRe: compilation failure with CONFIG_VFIO_PCI_NVLINK2
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On 1/3/19 5:49 AM, Alexey Kardashevskiy wrote:
>
>
> On 03/01/2019 03:37, Laura Abbott wrote:
>> Hi,
>>
>> I got a compilation failure when building with CONFIG_VFIO_PCI_NVLINK2
>> enabled:
>>
>> + make -s 'HOSTCFLAGS=-O2 -g -pipe -Wall -Werror=format-security
>> -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions
>> -fstack-protector-strong -grecord-gcc-switches
>> -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1
>> -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mcpu=power8
>> -mtune=power8 -fasynchronous-unwind-tables -fstack-clash-protection'
>> 'HOSTLDFLAGS=-Wl,-z,relro -Wl,--as-needed  -Wl,-z,now
>> -specs=/usr/lib/rpm/redhat/redhat-hardened-ld -Wl,--build-id=uuid'
>> ARCH=powerpc -j4 modules
>> BUILDSTDERR: In file included from drivers/vfio/pci/trace.h:102,
>> BUILDSTDERR:                  from drivers/vfio/pci/vfio_pci_nvlink2.c:29:
>> BUILDSTDERR: ./include/trace/define_trace.h:89:42: fatal error:
>> ./trace.h: No such file or directory
>> BUILDSTDERR:  #include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
>> BUILDSTDERR:                                           ^
>> BUILDSTDERR: compilation terminated.
>> BUILDSTDERR: make[3]: *** [scripts/Makefile.build:277:
>> drivers/vfio/pci/vfio_pci_nvlink2.o] Error 1
>> BUILDSTDERR: make[2]: *** [scripts/Makefile.build:492: drivers/vfio/pci]
>> Error 2
>> BUILDSTDERR: make[1]: *** [scripts/Makefile.build:492: drivers/vfio]
>> Error 2
>> BUILDSTDERR: make: *** [Makefile:1053: drivers] Error 2
>> BUILDSTDERR: make: *** Waiting for unfinished jobs....
>>
>> I don't know enough about ftrace building to make a guess here.
>> Config is attacked.
>
> What gcc is this and what is the exact sha1 of the tree? gcc8 prints
> other error with your config in drivers/scsi/esas2r/esas2r_ioctl.c but
> not this one so I am curious.
>

gcc (GCC) 8.2.1 20181215 (Red Hat 8.2.1-6)

sha 8e143b90e4d45cca3dc53760d3cfab988bc74571

>>
>> Also, would it be possible to switch this option from def_bool to
>> bool? I can't turn it off directly when it's def_bool.
>
> Why? Honestly I'd rather fix the compile error.
>
>

It's not just about this error, there may be other situations where
it would be good to have this turned off.

Thanks,
Luara

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