Re: kernel/kexec_file.o: failed: Cannot find symbol for section 10: .text.unlikely.

On Sun, Sep 05, 2021 at 07:28:35PM +0530, Naresh Kamboju wrote:

Following build errors noticed while building stable rc Linux 5.13.14
with gcc-11 for powerpc architecture.

# to reproduce this build locally:
tuxmake --target-arch=powerpc --kconfig=defconfig --toolchain=gcc-11
--wrapper=sccache --environment=KBUILD_BUILD_TIMESTAMP=@1630691419
--environment=KBUILD_BUILD_USER=tuxmake
--environment=KBUILD_BUILD_HOST=tuxmake
--environment=SCCACHE_BUCKET=sccache.tuxbuild.com --runtime=podman
--image=855116176053.dkr.ecr.us-east-1.amazonaws.com/tuxmake/powerpc_gcc-11
config default kernel xipkernel modules dtbs dtbs-legacy debugkernel
headers

make --silent --keep-going --jobs=8
O=/home/tuxbuild/.cache/tuxmake/builds/current ARCH=powerpc
CROSS_COMPILE=powerpc64le-linux-gnu- 'CC=sccache
powerpc64le-linux-gnu-gcc' 'HOSTCC=sccache gcc' defconfig

make --silent --keep-going --jobs=8
O=/home/tuxbuild/.cache/tuxmake/builds/current ARCH=powerpc
CROSS_COMPILE=powerpc64le-linux-gnu- 'CC=sccache
powerpc64le-linux-gnu-gcc' 'HOSTCC=sccache gcc'
Cannot find symbol for section 10: .text.unlikely.
kernel/kexec_file.o: failed
make[2]: *** [/builds/linux/scripts/Makefile.build:273:
kernel/kexec_file.o] Error 1
make[2]: *** Deleting file 'kernel/kexec_file.o'


Build config:
https://builds.tuxbuild.com/1xdiIZVZuLCW3X1WO2YT6Fsl19w/config

Reported-by: Linux Kernel Functional Testing <redacted>

meta data:
-----------
    git_repo: https://gitlab.com/Linaro/lkft/mirrors/stable/linux-stable-rc
    git_sha: a603798fb16829e56f80f57879611e67bba4910d
    git_short_log: a603798fb168 (\Linux 5.13.14\)
    kconfig:  defconfig
    kernel_version: 5.13.14
    target_arch: powerpc
    toolchain: gcc-11

steps to reproduce:
https://builds.tuxbuild.com/1xdiIZVZuLCW3X1WO2YT6Fsl19w/tuxmake_reproducer.sh

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

Is this a regression?  Has this compiler ever been able to build this
arch like this?

thanks,

greg k-h