[Linux-v4.18-rc6] modpost-errors when compiling with clang-7 and CONFIG_DRM_AMDGPU=m

[Wentland, Harry]

On 2019-01-25 3:25 a.m., Koenig, Christian wrote:
> Am 25.01.19 um 08:42 schrieb Sedat Dilek:
>> [ CC Nick D. ]
>>
>> Hi Christian,
>>
>> Nick has posted a fix in [2].
>> Is that OK for you?
> 
> I've seen that and yeah I'm perfectly fine with it, but Harry is the one 
> who needs to decide.
> 

Looks good to me.

Reviewed-by: Harry Wentland <harry.wentland at amd.com>

And applied.

Harry

> Christian.
> 
>>
>> I have also added the Link [1] in the ClangBuiltLinux issue tracker.
>>
>> Regards,
>> - Sedat -
>>
>> [1] https://github.com/ClangBuiltLinux/linux/issues/327
>> [2] https://lkml.org/lkml/2019/1/24/1376
>>
>> On Mon, Oct 22, 2018 at 10:42 AM Koenig, Christian
>> <Christian.Koenig at amd.com> wrote:
>>> Am 22.10.18 um 10:40 schrieb Sedat Dilek:
>>>> [SNIP]
>>>>>> Am 29.07.2018 um 15:52 schrieb Sedat Dilek:
>>>>>>> Hi,
>>>>>>>
>>>>>>> when compiling with clang-7 and CONFIG_DRM_AMDGPU=m I see the following...
>>>>>>>
>>>>>>>      if [ "" = "-pg" ]; then if [ arch/x86/boot/compressed/misc.o !=
>>>>>>> "scripts/mod/empty.o" ]; then ./scripts/recordmcount
>>>>>>> "arch/x86/boot/compressed/misc.o"; fi; fi;
>>>>>>> ERROR: "__addsf3" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>>>>>>> ERROR: "__subdf3" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>>>>>>> ERROR: "__gedf2" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>>>>>>> ERROR: "__fixunssfsi" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>>>>>>> ERROR: "__floatunsisf" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>>>>>>> ERROR: "__unordsf2" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>>>>>>> ERROR: "__gesf2" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>>>>>>> ERROR: "__mulsf3" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>>>>>>> ERROR: "__truncdfsf2" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>>>>>>> ERROR: "__ltsf2" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>>>>>>> ERROR: "__muldf3" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>>>>>>> ERROR: "__divdf3" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>>>>>>> ERROR: "__eqsf2" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>>>>>>> ERROR: "__floatsisf" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>>>>>>> ERROR: "__ledf2" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>>>>>>> ERROR: "__gtsf2" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>>>>>>> ERROR: "__fixdfsi" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>>>>>>> ERROR: "__floatunsidf" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>>>>>>> ERROR: "__nesf2" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>>>>>>> ERROR: "__adddf3" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>>>>>>> ERROR: "__extendsfdf2" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>>>>>>> ERROR: "__fixunsdfsi" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>>>>>>> ERROR: "__lesf2" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>>>>>>> ERROR: "__ltdf2" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>>>>>>> ERROR: "__floatsidf" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>>>>>>> ERROR: "__subsf3" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>>>>>>> ERROR: "__gtdf2" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>>>>>>> ERROR: "__fixsfsi" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>>>>>>> ERROR: "__divsf3" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>>>>>>> ERROR: "__floatdidf" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>>>>>>> make[4]: *** [scripts/Makefile.modpost:92: __modpost] Error 1
>>>>>>> make[3]: *** [Makefile:1208: modules] Error 2
>>>>>>> make[3]: *** Waiting for unfinished jobs....
>>>>>>>
>>>>>>> For now I have disabled CONFIG_DRM_AMDGPU=n.
>>>>>>>
>>>>>>> Do you need further informations?
>>>>>>>
>>>> Hi,
>>>>
>>>> any news on this issue?
>>> Unfortunately not as far as I know. Harray any time line when we could
>>> fix that?
>>>
>>> Thanks,
>>> Christian.
>>>
>>>> With Linux v4.19 final I am still building with CONFIG_DRM_AMDGPU=n.
>>>> Thanks in advance.
>>>>
>>>> Regards,
>>>> - Sedat -
>