[next] parisc: allnoconfig: ERROR: modpost: Section mismatches detected. Set CONFIG_SECTION_MISMATCH_WARN_ONLY=y to allow them.

[next] parisc: allnoconfig: ERROR: modpost: Section mismatches detected. Set CONFIG_SECTION_MISMATCH_WARN_ONLY=y to allow them.

[Naresh Kamboju]

Linux next-20220121 parisc allnoconfig build failed with gcc-9/10/11.

make --silent --keep-going --jobs=8 ARCH=parisc
CROSS_COMPILE=hppa-linux-gnu- 'CC=sccache hppa-linux-gnu-gcc'
'HOSTCC=sccache gcc'

WARNING: modpost: vmlinux.o(.text+0x1c8): Section mismatch in
reference from the function ksys_sync() to the function
.init.text:memblock_alloc_try_nid()
The function ksys_sync() references
the function __init memblock_alloc_try_nid().
This is often because ksys_sync lacks a __init
annotation or the annotation of memblock_alloc_try_nid is wrong.

ERROR: modpost: Section mismatches detected.
Set CONFIG_SECTION_MISMATCH_WARN_ONLY=y to allow them.
make[2]: *** [/builds/linux/scripts/Makefile.modpost:59:
vmlinux.symvers] Error 1

Reported-by: Linux Kernel Functional Testing <lkft@linaro.org>

metadata:
  git branch: master
  git repo: https://gitlab.com/Linaro/lkft/mirrors/next/linux-next
  git describe: next-20220121
  kernel-config: https://builds.tuxbuild.com/23zIAxC4uCgy4zadA01JYyOwCR4/config
  build: https://builds.tuxbuild.com/23zIAxC4uCgy4zadA01JYyOwCR4/

# To install tuxmake on your system globally:
# sudo pip3 install -U tuxmake
#
# See https://docs.tuxmake.org/ for complete documentation.
# Original tuxmake command with fragments listed below.

tuxmake --runtime podman --target-arch parisc --toolchain gcc-11
--kconfig allnoconfig

--
Linaro LKFT
https://lkft.linaro.org

Re: [next] parisc: allnoconfig: ERROR: modpost: Section mismatches detected. Set CONFIG_SECTION_MISMATCH_WARN_ONLY=y to allow them.

[Naresh Kamboju]

On Fri, 21 Jan 2022 at 13:16, Naresh Kamboju <naresh.kamboju@linaro.org> wrote:
>
> Linux next-20220121 parisc allnoconfig build failed with gcc-9/10/11.
>
> make --silent --keep-going --jobs=8 ARCH=parisc
> CROSS_COMPILE=hppa-linux-gnu- 'CC=sccache hppa-linux-gnu-gcc'
> 'HOSTCC=sccache gcc'
>
> WARNING: modpost: vmlinux.o(.text+0x1c8): Section mismatch in
> reference from the function ksys_sync() to the function
> .init.text:memblock_alloc_try_nid()
> The function ksys_sync() references
> the function __init memblock_alloc_try_nid().
> This is often because ksys_sync lacks a __init
> annotation or the annotation of memblock_alloc_try_nid is wrong.
>
> ERROR: modpost: Section mismatches detected.
> Set CONFIG_SECTION_MISMATCH_WARN_ONLY=y to allow them.
> make[2]: *** [/builds/linux/scripts/Makefile.modpost:59:
> vmlinux.symvers] Error 1

Anders bisected this build and the first bad commit is point to,

first bad commit: [4f05e5a3946923676e147ad0e33c80df8249b2fe]
parisc: Drop __init from map_pages declaration


> Reported-by: Linux Kernel Functional Testing <lkft@linaro.org>
>
> metadata:
>   git branch: master
>   git repo: https://gitlab.com/Linaro/lkft/mirrors/next/linux-next
>   git describe: next-20220121
>   kernel-config: https://builds.tuxbuild.com/23zIAxC4uCgy4zadA01JYyOwCR4/config
>   build: https://builds.tuxbuild.com/23zIAxC4uCgy4zadA01JYyOwCR4/
>
> # To install tuxmake on your system globally:
> # sudo pip3 install -U tuxmake
> #
> # See https://docs.tuxmake.org/ for complete documentation.
> # Original tuxmake command with fragments listed below.
>
> tuxmake --runtime podman --target-arch parisc --toolchain gcc-11
> --kconfig allnoconfig
>
> --
> Linaro LKFT
> https://lkft.linaro.org

Re: [next] parisc: allnoconfig: ERROR: modpost: Section mismatches detected. Set CONFIG_SECTION_MISMATCH_WARN_ONLY=y to allow them.

[Helge Deller]

On 1/21/22 16:24, Naresh Kamboju wrote:
> On Fri, 21 Jan 2022 at 13:16, Naresh Kamboju <naresh.kamboju@linaro.org> wrote:
>>
>> Linux next-20220121 parisc allnoconfig build failed with gcc-9/10/11.
>>
>> make --silent --keep-going --jobs=8 ARCH=parisc
>> CROSS_COMPILE=hppa-linux-gnu- 'CC=sccache hppa-linux-gnu-gcc'
>> 'HOSTCC=sccache gcc'
>>
>> WARNING: modpost: vmlinux.o(.text+0x1c8): Section mismatch in
>> reference from the function ksys_sync() to the function
>> .init.text:memblock_alloc_try_nid()
>> The function ksys_sync() references
>> the function __init memblock_alloc_try_nid().
>> This is often because ksys_sync lacks a __init
>> annotation or the annotation of memblock_alloc_try_nid is wrong.
>>
>> ERROR: modpost: Section mismatches detected.
>> Set CONFIG_SECTION_MISMATCH_WARN_ONLY=y to allow them.
>> make[2]: *** [/builds/linux/scripts/Makefile.modpost:59:
>> vmlinux.symvers] Error 1
>
> Anders bisected this build and the first bad commit is point to,
>
> first bad commit: [4f05e5a3946923676e147ad0e33c80df8249b2fe]
> parisc: Drop __init from map_pages declaration

I've dropped that patch for now. Will need some time to find
the best solution.

Helge