# git rev-parse -q --verify 45b83c1819d408f46ef4ac3d07b92ba61c86d1e9^{commit}
# git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/stable linux-4.9.y
# git rev-parse -q --verify 45b83c1819d408f46ef4ac3d07b92ba61c86d1e9^{commit}
45b83c1819d408f46ef4ac3d07b92ba61c86d1e9
# git checkout -q -f -B kisskb 45b83c1819d408f46ef4ac3d07b92ba61c86d1e9
# git clean -qxdf
# < git log -1
# commit 45b83c1819d408f46ef4ac3d07b92ba61c86d1e9
# Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
# Date:   Sat Jun 20 10:24:22 2020 +0200
# 
#     Linux 4.9.228
# < /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-ld --version
# < git log --format=%s --max-count=1 45b83c1819d408f46ef4ac3d07b92ba61c86d1e9
# < make -s -j 24 ARCH=powerpc O=/kisskb/build/stable-4.9_pmac32_defconfig+SMP_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  pmac32_defconfig
# Added to kconfig CONFIG_SMP=y
# < make -s -j 24 ARCH=powerpc O=/kisskb/build/stable-4.9_pmac32_defconfig+SMP_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  help
# make -s -j 24 ARCH=powerpc O=/kisskb/build/stable-4.9_pmac32_defconfig+SMP_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  olddefconfig
.config:3588:warning: override: reassigning to symbol SMP
# make -s -j 24 ARCH=powerpc O=/kisskb/build/stable-4.9_pmac32_defconfig+SMP_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  
/kisskb/src/arch/powerpc/kernel/l2cr_6xx.S: Assembler messages:
/kisskb/src/arch/powerpc/kernel/l2cr_6xx.S:184: Warning: invalid register expression
/kisskb/src/arch/powerpc/kernel/l2cr_6xx.S:331: Warning: invalid register expression
WARNING: modpost: Found 1 section mismatch(es).
To see full details build your kernel with:
'make CONFIG_DEBUG_SECTION_MISMATCH=y'
INFO: Uncompressed kernel (size 0x784000) overlaps the address of the wrapper(0x400000)
INFO: Fixing the link_address of wrapper to (0x800000)
Completed OK
# rm -rf /kisskb/build/stable-4.9_pmac32_defconfig+SMP_powerpc-gcc5
# Build took: 0:04:15.654800