# git rev-parse -q --verify a280edf588431d4311f617506fd131cf2d6f2987^{commit}
# git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/stable linux-4.4.y
# git rev-parse -q --verify a280edf588431d4311f617506fd131cf2d6f2987^{commit}
a280edf588431d4311f617506fd131cf2d6f2987
# git checkout -q -f -B kisskb a280edf588431d4311f617506fd131cf2d6f2987
# git clean -qxdf
# < git log -1
# commit a280edf588431d4311f617506fd131cf2d6f2987
# Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
# Date:   Fri Feb 5 14:07:43 2021 +0100
# 
#     Linux 4.4.256
#     
#     "Empty" release where we roll the .y number over...
#     
#     Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
# < /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 a280edf588431d4311f617506fd131cf2d6f2987
# < make -s -j 48 ARCH=powerpc O=/kisskb/build/stable-4.4_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 48 ARCH=powerpc O=/kisskb/build/stable-4.4_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 48 ARCH=powerpc O=/kisskb/build/stable-4.4_pmac32_defconfig+SMP_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  olddefconfig
.config:3377:warning: override: reassigning to symbol SMP
# make -s -j 48 ARCH=powerpc O=/kisskb/build/stable-4.4_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 0x72d000) overlaps the address of the wrapper(0x400000)
INFO: Fixing the link_address of wrapper to (0x800000)
Completed OK
# rm -rf /kisskb/build/stable-4.4_pmac32_defconfig+SMP_powerpc-gcc5
# Build took: 0:02:21.405717