# git gc
# git rev-parse -q --verify 10bd1f305f5f9945bac76a6ddc5371ed2d159bf2^{commit}
10bd1f305f5f9945bac76a6ddc5371ed2d159bf2
already have revision, skipping fetch
# git checkout -q -f -B kisskb 10bd1f305f5f9945bac76a6ddc5371ed2d159bf2
# git clean -qxdf
# < git log -1
# commit 10bd1f305f5f9945bac76a6ddc5371ed2d159bf2
# Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
# Date:   Tue Jan 12 19:49:06 2021 +0100
# 
#     Linux 4.9.251
#     
#     Tested-by: Jon Hunter <jonathanh@nvidia.com>
#     Tested-by: Guenter Roeck <linux@roeck-us.net>
#     Tested-by: Shuah Khan <skhan@linuxfoundation.org>
#     Tested-by: Linux Kernel Functional Testing <lkft@linaro.org>
#     Link: https://lore.kernel.org/r/20210111130033.676306636@linuxfoundation.org
#     Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
# < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-ld --version
# < git log --format=%s --max-count=1 10bd1f305f5f9945bac76a6ddc5371ed2d159bf2
# < make -s -j 80 ARCH=powerpc O=/kisskb/build/stable-4.9_pmac32_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  pmac32_defconfig
# < make -s -j 80 ARCH=powerpc O=/kisskb/build/stable-4.9_pmac32_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  help
# make -s -j 80 ARCH=powerpc O=/kisskb/build/stable-4.9_pmac32_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  olddefconfig
# make -s -j 80 ARCH=powerpc O=/kisskb/build/stable-4.9_pmac32_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-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 0x71f000) 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_powerpc-gcc4.9
# Build took: 0:06:50.303521