# git rev-parse -q --verify a9da8725b7a744be3ff0ff44cab2547e4d1e6675^{commit}
# git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/stable linux-4.18.y
# git rev-parse -q --verify a9da8725b7a744be3ff0ff44cab2547e4d1e6675^{commit}
a9da8725b7a744be3ff0ff44cab2547e4d1e6675
# git checkout -q -f -B kisskb a9da8725b7a744be3ff0ff44cab2547e4d1e6675
# git clean -qxdf
# < git log -1
# commit a9da8725b7a744be3ff0ff44cab2547e4d1e6675
# Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
# Date:   Wed Nov 21 09:22:14 2018 +0100
# 
#     Linux 4.18.20
# < /opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-gcc --version
# < git log --format=%s --max-count=1 a9da8725b7a744be3ff0ff44cab2547e4d1e6675
# < make -s -j 48 ARCH=arm64 O=/kisskb/build/stable-4.18_arm64-defconfig_arm64 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-  defconfig
# make -s -j 48 ARCH=arm64 O=/kisskb/build/stable-4.18_arm64-defconfig_arm64 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-  
arch/arm64/Makefile:27: ld does not support --fix-cortex-a53-843419; kernel may be susceptible to erratum
arch/arm64/Makefile:40: LSE atomics not supported by binutils
<stdin>:1335:2: warning: #warning syscall rseq not implemented [-Wcpp]
Completed OK
# rm -rf /kisskb/build/stable-4.18_arm64-defconfig_arm64
# Build took: 0:04:54.435962