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

[Sedat Dilek]

On Fri, Jan 25, 2019 at 4:15 PM Wentland, Harry <Harry.Wentland at amd.com> wrote:
>
> 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.
>

Thanks.

Can you point me to the commit and Git tree?

- Sedat -

> 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 -
> >